MF Review: R56 JCW Sport Suspension
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The JCW suspension has long been called the most underrated factory MINI performance accessory offered. Yet it remains rather rare and tends to be the last box checked when owners are going the “JCW route”. Why? Perhaps it’s not quite as tangible as the engine or aero-kit for most owners. People don’t roll down their windows to shout “nice suspension!” after all. And while many owners want speed, not a lot of them are actually willing to sacrifice comfort for increased on the limit handling. And then of course there’s the price. With installation included you’d be lucky to get out the door close to…. $2000. The parts alone cost anywhere from $1200 to $1500 depending the dealer. That’s 25% to even 50% more than some after-market set-ups. And yes, entire coil-over systems with can be had for less.
Yet for this money the JCW suspension offers more than any other stand-alone kit. The set-up includes not only the four shock absorbers and springs that are individually tailored to your car’s weight (based on the options specced from the factory) but also both front and rear upgraded sway bars. That’s right, after seven years of owners putting on after-market sway bars MINI, is finally giving us what we want in the R56 JCW Sport Suspension kit.
The result of all these components? Telepathic cornering. The JCW Sport Suspension endows the MINI with responsiveness that seems directly tied into the driver’s brain in as much as it is with the steering wheel. The car takes s-curves and multiple corners in-stride. There’s no lost motion and little to no waiting for the car to settle before setting yourself up for what’s next. Due to all of this, the kit gives the car an eagerness that seems to playfully challenge the driver.
An then there the flat cornering that not only gives you more grip in corners but (more importantly on the track) more while accelerating out of them. Where the stock MINI’s rear suspension (both R53 and R56) can feel ponderous in high speed cornering and braking, the JCW suspension gives you much more feedback and ultimately much more control. In low-speed cornering the car is quicker to react and tends to have much more grip entering and exiting. Yet the R56 doesn’t lose its magical ability to rotate in corners on lift-off (similar to an R53 w/an after-market rear sway bar) that is completely addicting. It would seem that the addition of larger front and rear sway bars retains the balance of the stock set-up while improving the turn-in.
For my money, if I were driving a track like the Nurburgring two or three times a year, the JCW Suspension would be far and away my first choice in the way of factory mods over the JCW Engine Kit.
The JCW Suspension also fixes one glaring issue I personally have with the current crop of R56 MINIs: ride height. The suspension lowers the car 1cm or about .4 of an inch. While it doesn’t sound like a lot, I’ve found that it’s a sweet spot between the high-riding stock set-up and bottoming out over expansion joints.
Of course there’s a downside to all of this increased control and grip; decreased ride quality. In fact it could be called something closer to medial torture on some Chicago roads. While it’s true some owners will consider it a great trade-off, I’m guessing the majority will probably infinitely prefer the more comfortable stock set-up or the “middle of the road” factory sport suspension.
Yet the ride quality is still a (small) step ahead of the stock R53 SS+ suspension. Especially around town there’s a noticeable difference in the way it soaks up road imperfections. The JCW suspension feels closer to an M3 in the way it’s dampened than any other MINI set-up I’ve ever driven save for the JCW GP. However (and this is a big however) on the highway quality tends to deteriorate to R53 levels. This is a huge difference to the stock (non-sport) set-up standard on the R56.
And speaking of the GP. Yes, R56 JCW suspension is basically the same exact set-up that we saw on the 2006 JCW GP. The JCW suspension combined with the aluminum rear control arms was one of the key character points of that car. Now it can be had by anyone with an R56 willing to throw down some cash and give-up some comfort.
So is it worth the money? As with all MINI accessories (after-market or factory) that’s a very personal question. If you’re looking to get more aggressive but want to do it with value in mind, there are some great choices out there and this isn’t one of them. Likewise, if you’re looking to slam your MINI and nothing more, look elsewhere. However, if you want the ultimate suspension set-up from same people that created and developed the MINI and don’t mind dropping at least $2k (including install) this is your clear choice. And on-top of that pedigree, the JCW suspension also carries a full factory warranty that matches your MINI’s warranty in terms of length.
Yet I can’t help but feel that product and install costs (4 to 7 hours recommended) are going to be the biggest challenge for potential owners to overcome. The aforementioned costs are frankly hard to swallow when there are other competent choices out there for less. While there are great arguments for the kit, it’s simply not going to appeal to most enthusiast owners let alone casual ones. Making the kit a factory option would surely go along way in helping this issue. But don’t look for that to ever happen outside of a full-on JCW car a la the GP.
Rating a product like this is somewhat difficult. Price aside, the performance and ride quality trade-offs are right on the money. Because of this, it’s easy to overlook price and give the kit a 4.5 or even 5. However I don’t think you can lose site of what else is on the market for less. And since we save our highest ratings for products that we feel are must haves for most of our readers, the score (as you can see below) reflects our general buying recommendation. This doesn’t mean we didn’t love the performance and that the kit didn’t meet and exceed all of our expectations. It just means that we feel the vast majority of our readers will prefer the factory sport suspension and the trade-offs that come with when comparing final costs and everyday drive-ability.
But for those that don’t mind the price or ride trade-offs, we have little doubt you will absolutely love this kit.
Look for “Part 2” of the review next week when we’ll be taking the new JCW Sport Suspension kit back to its roots; the track.
The JCW Sport Suspension kit is available from the following MotoringFile sponsors:
– Knauz MINI (where the kit in this review was installed)
– MINI of Manhattan
– Morristown MINI
– Patrick MINI
For some context, here’s a peak at how the entire MF Rating system plays out:
5 – Perfect and a must have.
4 – Excellent with little downside.
3 – A Solid buy with one or two trade-offs.
2 – Okay but there’s room for improvement.
1 – Why am I reviewing this?
49 Comments
So how much of a difference do your 18 inch rims/tires make on the suspension upgrade? Would the ride be noticeably different with 17’s or 16’s?
Gabe, here a question for you. If you had an 07 MCS without the sport suspension but aftermarket 17inch wheels and tires, would you go JCW or aftermarket coilovers and swaybars?
I quite like the ride quality of my car right now, but it should be lowered 1 to 1.5inches and I think it could use the rear swaybar.
I think 16s with the JCW set up you’re running would be outstanding. You’d lose a slight edge on turn in, but the bumps would be softened, and you’d lose a little rotating mass as well.
Hey Gabe, a little off topic, do you have problems with driving at night with the low-beam Xenons I can’t really see beyond a couple feet. What’s the point of self-leveling??? Then again it’s my first car with Xenons.
BTW your car is admirable. It looks great with a smidge of lowering.
Gabe,
my investigation on suspensions part numbers offered from MINI show that the factory MINI S sports option has the same sway bars diameters as the JCW kit as well as the same dampers. I basically have to conclude that the factory sports suspension is essentially the JCW kit without the JCW springs.
Also the JCW website also only states information on the kit is the springs.
<a href="http://www.mini.com/com/en/john_cooper_works/" rel="nofollow ugc">http://www.mini.com/com/en/john_cooper_works/</a>
“These short, stiff springs reduce ground clearance and ensure even more exciting cornering – without compromising safety. Available for the new MINI One, new MINI Cooper and new MINI Cooper S.”
I do not have the parts list here but i have posted it once before on motoringfile.com. If anyone can give evidence otherwise that would be great.
>I think 16s with the JCW set up you’re running would be outstanding.  You’d lose a slight edge on turn in, but the bumps would be softened, and you’d lose a little rotating mass as well.
I agree that that could be one way to go if you’re worried about ride. However in reality you’d lose a lot of edge on turn-in. While the ride would be better, I personally wouldn’t be willing to sacrifice one of the best aspects of set-up as tested.
Regarding rotational mass, the 18″ OZ Ultraleggeras on the car tested weigh in at 16.8lbs. There are lighter 16″ and 17″ wheels out there but the selection isn’t huge and the benefits may not be profound in light of what you’re giving up in feel and looks.
Of course decisions like these are pretty personally and come down to what you value.
>Hey Gabe, a little off topic, do you have problems with driving at night with the low-beam Xenons I can’t really see beyond a couple feet. What’s the point of self-leveling??? Then again it’s my first car with Xenons.
No problems at all. I had a loaner with halogens for a few days and I’m so glad to be rid of them.
>Gabe, here a question for you. If you had an 07 MCS without the sport suspension but aftermarket 17inch wheels and tires, would you go JCW or aftermarket coilovers and swaybars?
I quite like the ride quality of my car right now, but it should be lowered 1 to 1.5inches and I think it could use the rear swaybar.
If you like the ride quality of the stock (non-sport) suspension, you will most likely NOT like the JCW. I’d contact one of the after-market sponsors of MF and talk to them about your options. There are certainly solutions based around lowering your car while retaining the stock ride comfort.
>my investigation on suspensions part numbers offered from MINI show that the factory MINI S sports option has the same sway bars diameters as the JCW kit as well as the same dampers. I basically have to conclude that  the factory sports suspension is essentially the JCW kit without the JCW springs.
I didn’t get the numbers off of the actual parts but I can tell you that they were physically/visibly different from OEM components taken off of the car.
The idea that BMW would include things like a front sway bar (which is a pretty big party of the installation) if it’s not needed is a bit bizarre. Surely a lower install price would mean more sales so I can’t see that being true.
<blockquote>I didn’t get the numbers off of the actual parts but I can tell you that they were physically/visibly different from OEM components taken off of the car.</blockquote>
Your car did not have the sports suspension upgrade so it had different part numbers for those dampers and swaybars. They would be different.
<blockquote>The idea that BMW would include things like a front sway bar (which is a pretty big party of the installation) if it’s not needed is a bit bizarre. Surely a lower install price would mean more sales so I can’t see that being true.</blockquote>
True it seems wired but they they did included all parts for all listed cars on the install, MC and MCS. For the MC or base MC suspension they would need all parts. Your JCW sways should be 18mm rear and 23mm fronts just like the factory sports if not i am wrong and BMW_USA parts numbers are misc leading.
Gabe, thanks for the well written and thoughtful writeup.
Putting aside the question of ride quality for a moment, which of the OEM suspensions do you recommend for best handling over rough surfaces, let’s say a twisty with less than smooth surfaces or sharp turns with bumpy pavement. Stiffness improves handling up to a point. Is the JCW stiff enough that it could reduce road contact over bumps?
First of all Gabe, think the small drop did wonders for the visual impact on the car. The 18″ OZ tuck so nicely into the wheel arch, would give this a solid thumbs up. Very similar to the R53 JCW suspension package all in all I think.
Good review, this will be one of the check boxes on any of my future orders.
Great review Gabe, as always. It’s really cool how you’re building your own little super MINI part by part. I can’t wait to hear about the engine kit.
However, I’m confused now about the ride quality, at least as it refers to the R53, and maybe Todd is the best person to ask about this. I seem to remember he and other GP owners on MTTS talking about how the GP with its JCW suspension upgrade was actually a more compliant and comfortable ride than the stock SS+ on the R53. Was I just hearing things, or is this actually true? I want to turn my R53 into a JCW car in the long run with the engine kit / suspension / brakes, but I was running off of what GP guys were saying about a more comfortable ride. Can anybody enlighten me? If it’s not more comfortable, I may be more tempted to just swap the rear sway and call it a day.
>Putting aside the question of ride quality for a moment, which of the OEM suspensions do you recommend for best handling over rough surfaces, let’s say a twisty with less than smooth surfaces or sharp turns with bumpy pavement. Stiffness improves handling up to a point. Is the JCW stiff enough that it could reduce road contact over bumps?
That’s a great question. The answer that I found is no. It’s not stiff enough for the car to lose contact with the road appreciably.
>However, I’m confused now about the ride quality, at least as it refers to the R53, and maybe Todd is the best person to ask about this. I seem to remember he and other GP owners on MTTS talking about how the GP with its JCW suspension upgrade was actually a more compliant and comfortable ride than the stock SS+ on the R53. Was I just hearing things, or is this actually true?
Yes it is true for the most part. This kit brings it to that level – which is to say close to the R53 MCS level of ride quality. But the difference in quality is not dramatic from the R53 MCS to the GP (or R56 w/JCW suspension)
Gabe,
I’ve got an 07′ MCS with the 16″ runflats. I’m trying to take the mods slow so the wife doesn’t make me sleep in the doghouse. Which would do first; 18″ rims with performance tires or the JCW suspension kit?
<blockquote>But the difference in quality is not dramatic from the R53 MCS to the GP</blockquote>
But is that difference positive or negative in terms of ride comfort? That’s all I’m really getting at. If I put the JCW suspension on my R53, does the ride quality (in terms of comfort) actually improve like GP owners talk about, or will it be stiffer?
Nathaniel,
I asked that same question a while ago. The response I got was that the ride was a little more compliant than the standard MCS SS+ suspension, kind of better put together (if that makes sense), but certainly stiffer.
Thanks Brian, I was just trying to figure out where the sweet spot is. I’m getting the itch to mod my bad boy and I think a sway bar and a pulley are shortly in order.
Gabe,
I have a question for you in regards to your JCW body kit, is the lower grills width and length bigger than that of the standard Cooper S? It looks like it is but i havent been able to measure the difference if any, my thoughts were that you would have better cooling to the intercooler if that grill is bigger.
Nice! Expensive but nice. Also overlooked and in my humble opinion more important than engine improvments are the brakes. A good no fade stop on a dime set of brakes is on the top of my list.
waiting on the windy road review!
With the “street price” of the R53 kit being well under $1000 (I’ve heard as low as $600), any idea what the kit price will be?
Suspension replacement is a relatively easy DIY project.
Gabe:
Two Questions:
1. How does one order this Suspension Kit. It’s not listed as Dealer Accessory at miniusa.com when you build a car?
2. What is the JCW Sport Brake Kit (@ $1,360) if the R56 is supposedly using the caliper and rotor as standard which last year (on the R53) was the “JCW Sport Brake Kit” ? Thanks
>I’ve got an 07′ MCS with the 16″ runflats. I’m trying to take the mods slow so the wife doesn’t make me sleep in the doghouse. Which would do first; 18″ rims with performance tires or the JCW suspension kit?
It depends on what you want to get out of your car and what you want to do with it. If you just want to go fast, really sticky summer tires are probably the best single investment you can make next to track day instruction. Added with that, some lightweight 18″ wheels will give your car an knife edge quality that increases responsiveness and of course looks while slightly decreasing ride quality.
I would consider the JCW Suspension the last step personally.
>But is that difference positive or negative in terms of ride comfort? That’s all I’m really getting at. If I put the JCW suspension on my R53, does the ride quality (in terms of comfort) actually improve like GP owners talk about, or will it be stiffer?
Oh yeah – it’ll slightly improve.
>I have a question for you in regards to your JCW body kit, is the lower grills width and length bigger than that of the standard Cooper S? It looks like it is but i havent been able to measure the difference if any, my thoughts were that you would have better cooling to the intercooler if that grill is bigger.
I think it is but the actual open part is the same size.
>Nice! Expensive but nice. Also overlooked and in my humble opinion more important than engine improvments are the brakes. A good no fade stop on a dime set of brakes is on the top of my list.
I agree. However with the addition of the JCW Brake kit as standard on all MCSs (since 10/06 builds) there’s less of a glaring need.
>With the “street price” of the R53 kit being well under $1000 (I’ve heard as low as $600), any idea what the kit price will be?
But that’s not including the springs. The R56 JCW kit (not including the springs has an MSRP of $875 – not far from the R53’s kit. However add the springs and the price head north of $1000 easily at most dealers.
>Suspension replacement is a relatively easy DIY project.
I would not call it easy unless you have a lift and (obviously) a spring compressor.
How does one order this Suspension Kit. It’s not listed as Dealer Accessory at miniusa.com when you build a car?
This kit has JUST been released to dealers worldwide so it is not on the site or in brochures yet. In the meantime, just go to your parts counter and ask about it.
>What is the JCW Sport Brake Kit (@ $1,360) if the R56 is supposedly using the caliper and rotor as standard which last year (on the R53) was the “JCW Sport Brake Kit” ? Thanks
The JCW Brake kit is identical in every way to what is STOCK on the R56 MCS with the exception of the color red.
statements like “ultimate suspension set-up” and “clear choice” will leave quite a few people shaking their heads… Very nice for those that must have OEM parts, but not adjustable enough for those who are really looking for the “ultimate suspension set-up”
Marcel – I’m not sure if you’re being critical of the review or the suspension. While I don’t disagree with you if you’re talking about the suspension I can answer for the review. I think I defined the parameters of those words pretty clearly. And I think I also made it very clear that there are plenty of downsides here when factoring in what else is out there for the cost.
For those of you with a R53 wondering about the JCW suspension… I can tell you first hand that it makes the car ride MUCH harsher than the stock SS+ set up. The handling is much better, but the ride really does become horrible IMHO (and I drive on the relatively good roads of So. CA).
We have two 05 R53’s with one running the stock SS+ and the other running the JCW kit, and so I get to drive them both side-by-side on a daily basis (i.e. I have LOTS of first-hand experience in comparing the two).
The JCW kit is so bad that my wife actually refuses to ride in my R53. She absolutely hates it! Myself, I really like it. I can deal with the much harsher ride in order to get the great handling that the kit provides the car.
BTW, Gabe posted a small blurb about my self JCW suspension kit install here on MF looong ago. I believe that you can find it here:
<a href="https://www.motoringfile.com/2005/04/07/official_jcw_suspension_how-to/" rel="nofollow">Official JCW Suspension How-To</a>
And here’s the link to my MF JCW brake kit self install if you’re interested:
<a href="https://www.motoringfile.com/2005/04/27/jcw_sport_brake_kit_review/" rel="nofollow">JCW Sport Brake Kit Review</a>
— MIKE
Gabe,
I’m curious about this statement you made above:
<blockquote>I agree. However with the addition of the JCW Brake kit as standard on all MCSs (since 10/06 builds) there’s less of a glaring need.</blockquote>
I have an R53 with a build date of 11/06 (according to the sticker on the drivers door frame). Are you saying these are actually the equivelent of the R53 JCW Brake Kit minus the shiny red paint and JCW surfboard logo? If that’s true, I’m a happy camper, and that much closer to getting the JCW Suspension myself!
So how can I verify this definitively? Is the brake disk larger diameter or something? I do know for sure that I have the finer thread, larger diameter lug bolts mentioned in this article, if that has anything to do with it:
<a href="URL" rel="nofollow">https://www.motoringfile.com/2006/09/08/jcw-gp-lug-bolts-different-than-stock/</a>
<blockquote>But that’s not including the springs. The R56 JCW kit (not including the springs has an MSRP of $875 – not far from the R53’s kit. However add the springs and the price head north of $1000 easily at most dealers.</blockquote>
Ugh, I wasn’t aware this was the situation when I started looking at the JCW suspension for my R53 recently. Maybe it’s time to just go after market. :/
<blockquote>In fact it could be called something closer to medial torture on some Chicago roads. While it’s true some owners will consider it a great trade-off, I’m guessing the majority will probably infinitely prefer the more comfortable stock set-up or the “middle of the road” factory sport suspension. </blockquote>
I’m in the minority here. 🙂
>I have an R53 with a build date of 11/06 (according to the sticker on the drivers door frame). Are you saying these are actually the equivelent of the R53 JCW Brake Kit minus the shiny red paint and JCW surfboard logo?
Yup 🙂
>So how can I verify this definitively? Is the brake disk larger diameter or something? I do know for sure that I have the finer thread, larger diameter lug bolts mentioned in this article, if that has anything to do with it.
Next time to your next to an 02-05 MCS, compare front rotor sizes. That’ll be the tell-tale sign. As far as I know this had nothing to do with the lugs. It was just MINI switching over to the larger brakes in conjunction with starting production of the R56.
>I’m in the minority here. 🙂
Same here 🙂
Did they give you your take-offs back?
Have we determined the diameter of the rear sway bar? My understanding is that the JCW is 18.5″ vs 18″ on the SS.
On my ’05 JCW I also had the JCW suspension. I recall the rear sway was 17″(?). I swapped it out for an Alta 22″ rear sway and the difference in cornering and lane changes were huge. The Alta was only about $120 but I’d be happy if I could just get the new JCW kit and not need to mod it further.
Would the JCW strut brace enhance the cars stiffness/handling further or is it a waste of money?
I’m slightly critical of the review, however reading it a second time I do recognize that you’re trying hard to emphasize the very high price of this kit. For that price you can have adjustable coil-overs and an adjustable (rear) sway-bar while the JCW offers none of that… making it a clear choice for those that don’t want to leave excess money at the dealership and instead are comfortable installing & using aftermarket items… anyway, thanks for the review!
<blockquote>I’m not sure if you’re being critical of the review or the suspension</blockquote>
<blockquote>But that’s not including the springs. The R56 JCW kit (not including the springs has an MSRP of $875 – not far from the R53’s kit. However add the springs and the price head north of $1000 easily at most dealers.
</blockquote><blockquote>Suspension replacement is a relatively easy DIY project.</blockquote>
I would not call it easy unless you have a lift and (obviously) a spring compressor.
Umm… I hate disagreeing with you… but…
I installed a JCW suspension kit on a friend’s MCS. She paid well under $1000 for it and the kit included struts and springs. I haven’t heard of anyone getting the R53 kit without both parts.
I’ve done a good bit of suspension work on MINIs. All of it without a lift (although I’ll admit I do have a lift now as well as a professional spring compressor). The JCW kit was done without a lift as have the other struts I’ve installed in MINIs. Honestly, I don’t see how it should take an experienced tech more than 2 hours to install. Takes me about twice that, taking my time and double-checking the torque settings. I’ve done mushroom-repair (completely removing each strut to make the upper mounts flat again) in an hour or so after work. After you’ve done it once or twice, it’s pretty easy. If I ever decide to start using air tools, it would probably go even faster.
>I installed a JCW suspension kit on a friend’s MCS. She paid well under $1000 for it and the kit included struts and springs. I haven’t heard of anyone getting the R53 kit without both parts.
The old kit was less money because it didn’t include both sway bars. So yes, it would be possible (with a good deal) to get the entire set including the springs (which are technically NOT part of the kit in the MINI ordering system).
Gabe…
Where was the picture taken (rear of car facing)? Looks like the parking deck of Northwestern University.
Glad to see you ordered the Astro Black S. It is an established fact that the Astro is the fastest color!!
2007 MCS 6sp; Astro Black/Black
2008 BMW 335D Touring(when available)
>Where was the picture taken (rear of car facing)? Looks like the parking deck of Northwestern University.
Yes – that’s exactly where it is 🙂
<blockquote>Glad to see you ordered the Astro Black S. It is an established fact that the Astro is the fastest color!!</blockquote>
Haha, agree to that!
Hey Gabe, oredered my 07 MCS last week and already have the bug for doing many upgrades. First one will be the JCW engine package, but I’m not sure bout the suspension upgrade, I’m really concerned about the harsh ride. I will be commuting with this car daily and planning on some long trips this next summer. I’m coming off an SUV so I already think the car handles awesome, and probably more then I’ll ever need. 🙂 I would however like to lower the car .50 – 1.0 inch. What spring kit can you recommend that would do this while staying near the stock ride qualities. I’ve read some other articles on the web that say lowering the car .50 inch puts it right on the bump stops, how true is that?
I dont know either. I have just fixed the JCW sport suspension. All parts exclude the spring. I am using back the old spring which my dealer say it’s ok. I also not sure how true isit. any advice from the professional?
A few days after this review was written I realized that my dealer at set my tire pressures higher than they needed to be. Unfortunately this affected the ride quality poorly. Now that the tires are set at a normal PSI the car feels more comfortable and very close to the Sport Suspension in it’s comfort over rough roads. Because of that, I’d highly recommend just going with the JCW springs that are designed for your particular car (your dealer will have that info).
Hi Guys, i’m interested in the JCW suspension kit, and already have the Sport Suspension on my R56S, could you confirm me the JCW kit is basicaly the Sport Setup plus JCW springs base on the car options ? . . . nothing else different ? . . . My Mini dealer is just so bad i can’t rely on it. So your feedback would be greatly appreciate.
the JCW suspension is actually everything: sways, springs and shocks.
Thanks Gabe ! just wanted to be sure i’m not going to order pieces i already have on the mini with the factory sport suspension.
<p>Gabe: thanks for all the great information! I have an R56 with the sport package along with eibach springs. For the last 2.5 years I have been happy with my setup. Recently, I added the new JCW Aero kit and now find myself having to be extremely careful not to scrap the lower front splitter. Furthermore, on bumpy northeast roads the car seems to be a little rougher then when I first added the eibach springs. I now think I’m running a little too low for daily driving. Do you think I would be happy with the JCW sport suspension? It looks like Morristown Mini is offering the kit for around $1800 installed plus the springs at around $80 each.</p>
<p>My father has the Z4 M roadster and I am amazed at how responsive the handling is while not being too rough on imperfect roads. Do you think the JCW sport suspension will be similiar to the ride quality in the M roadster? I noticed you reference the M3’s setup in comparison…</p>
<p>Thanks!</p>