Would it defeat the purpose of a M4CS if I modified it in this way?

[AWE46M3]

I've been thinking about doing the following which kinda defeats the purpose of the CS...but....

1) Getting KW ClubSport (want to lower it but not give up any bit of handling)
2) Getting wider wheels but will be heavier than original CS Wheels

i feel like the CS is made and perfected someway for the suspension and the light CS wheels plus the 19/20 setup to work together. Should i just leave it alone?

[Clark_Kent]

Yes, leave it alone. I would say the same thing about a tune. If you plan to modify the car outside of better tires and/or camber plates for track use I would go with a base or ZCP and mod until your heart is content.

[Humdizzle]

I would check in the racing section on the forum. There are better suspensions out there than the OEM CS setup that will also get rid of wheel gap. It will be $$$ though (ohlins). And you're car will definitely ride more stiff.

[NYG]

The car's suspension is tuned for road driving, even if it is good on the track. An HAS will most definitely improve it.

As for the wheels, the 763Ms are one of the best looking wheels on the market. If not for the weight, getting rid of them because they're so beautiful would be a shame. That being said I use 18" EC7s on the track and 763M on the street.

[minn19]

Originally Posted by Clark_Kent

Yes, leave it alone. I would say the same thing about a tune. If you plan to modify the car outside of better tires and/or camber plates for track use I would go with a base or ZCP and mod until your heart is content.

^This.

Originally Posted by NYG

The car's suspension is tuned for road driving, even if it is good on the track. An HAS will most definitely improve it.

As for the wheels, the 763Ms are one of the best looking wheels on the market. If not for the weight, getting rid of them because they're so beautiful would be a shame. That being said I use 18" EC7s on the track and 763M on the street.

Agreed, MP HAS is pretty much the only suspension thing I'd do. Unless you are a really hardcore track rat and warranty doesn't matter.

I'd like to get some BBS FI-Rs for track use and put MP4Ss on my 763 wheels.

[NYG]

Originally Posted by minn19

^This.



Agreed, MP HAS is pretty much the only suspension thing I'd do. Unless you are a really hardcore track rat and warranty doesn't matter.

I'd like to get some BBS FI-Rs for track use and put MP4Ss on my 763 wheels.

Same, getting a labor quote now for the MP HAS.

[AWE46M3]

Originally Posted by minn19

^This.



Agreed, MP HAS is pretty much the only suspension thing I'd do. Unless you are a really hardcore track rat and warranty doesn't matter.

I'd like to get some BBS FI-Rs for track use and put MP4Ss on my 763 wheels.

Yes, seems like the FIR are the only wheels worth changing out for. As far as suspension goes, I haven't decided what to do, but MP HAS is an option I suppose. But I heard for warranty purposes, you need to have it installed at a BMW dealer.

[minn19]

Originally Posted by AWE46M3

Yes, seems like the FIR are the only wheels worth changing out for. As far as suspension goes, I haven't decided what to do, but MP HAS is an option I suppose. But I heard for warranty purposes, you need to have it installed at a BMW dealer.

That is exactly what I have been told as well for MP HAS/warranty.

[NYG]

Originally Posted by AWE46M3

Yes, seems like the FIR are the only wheels worth changing out for. As far as suspension goes, I haven't decided what to do, but MP HAS is an option I suppose. But I heard for warranty purposes, you need to have it installed at a BMW dealer.

It's a little bit of a gray area.

Technically it doesn't have to be a BMW dealer (it does have to be a BMW M Performance Part though) but if something goes wrong and it's related to the HAS, they'll reject warranty so it's better to do it at a dealer.

[JustAnothaM4]

After thinking about modding my CS...best mods IMO:
1. BBS FI-R or RI-D 19/20" (Any other wheel would be heavier which defeats the purpose)
2. MPE or Akra full exhaust (Lightweight and nice sound w/o drone)
3. MP HAS Kit (keeps warranty) or go balls out on JRZ/MCS setup. Do it right or don't do it at all approach with suspension.

[jacobe92]

If it were me, I'd rip out the suspension and brakes and mod it w/ something better. I think it's what's lacking of this car right out of the factory.

As for the wheels, the BBS F1's is a solid choice.

[Maitre_Absolut]

Originally Posted by jacobe92

If it were me, I'd rip out the suspension and brakes and mod it w/ something better. I think it's what's lacking of this car right out of the factory.

As for the wheels, the BBS F1's is a solid choice.

So you'd rip out what BMW changed the most on the car which also came with a hefty premium and also the part that has had the highest praise over the non CS. Great idea.

I've put everything MP HAS on my CS and am very happy with it. Kept the rear CS specific exhaust for a while though but in the end caved in for MPE.

[jacobe92]

Originally Posted by Maitre_Absolut

So you'd rip out what BMW changed the most on the car which also came with a hefty premium and also the part that has had the highest praise over the non CS. Great idea.

I've put everything MP HAS on my CS and am very happy with it. Kept the rear CS specific exhaust for a while though but in the end caved in for MPE.

My JRZ RS Pro, Fall Line Mono balls, Rear End Link Steel Bushings, Dinan Toe Link, Dinan Suspension Link Kit and Essex AP BBK (9668, 9449) against your OEM CS suspension and brakes? Really?! Just FYI, the MP HAS Kit which I'm sure you paid 3x as much and at the same time praising about is literally just a KW HAS Kit. You do know that right? If my idea was good, yours is brilliant. It's bottom tier of the KW Suspension Line! I do like the aerodynamic style hood of the CS. I'm going to wait for the G80 M3.

[EricSMG]

Originally Posted by jacobe92

My JRZ RS Pro, Fall Line Mono balls, Rear End Link Steel Bushings, Dinan Toe Link, Dinan Suspension Link Kit and Essex AP BBK (9668, 9449) against your OEM CS suspension and brakes? Really?!

A factory-engineered system vs. a hodgepodge of "expensive" parts slapped together by you?

Yep. All day every day.

[jacobe92]

Originally Posted by EricSMG

A factory-engineered system vs. a hodgepodge of "expensive" parts slapped together by you?

Yep. All day every day.

Agreed. My expensive, coveted, track oriented suspension and brake mods are not for you.

[Maitre_Absolut]

Originally Posted by jacobe92

My JRZ RS Pro, Fall Line Mono balls, Rear End Link Steel Bushings, Dinan Toe Link, Dinan Suspension Link Kit and Essex AP BBK (9668, 9449) against your OEM CS suspension and brakes? Really?! Just FYI, the MP HAS Kit which I'm sure you paid 3x as much and at the same time praising about is literally just a KW HAS Kit. You do know that right? If my idea was good, yours is brilliant. It's bottom tier of the KW Suspension Line! I do like the aerodynamic style hood of the CS. I'm going to wait for the G80 M3.

No one cares about your mod list. Your suggestion is idiotic for someone who just bought a CS.

The KW and BMW HAS kits are very different if you have actually ever seen them side by side. All you are doing is repeating mis information that is propagated on this site.

[FatRear08]

Easy fellas, we’re on the same team! EVERYTHING can always be improved. It’s all subjective to what you’re looking for...a lot of track time, some track, or mostly street and cosmetic. And if resale is an issue, keep all your original parts, wheels, etc so it can go back to stock.

[M3SQRD]

Originally Posted by Maitre_Absolut

No one cares about your mod list. Your suggestion is idiotic for someone who just bought a CS.

The KW and BMW HAS kits are very different if you have actually ever seen them side by side. All you are doing is repeating mis information that is propagated on this site.

That’s your personal opinion. I know someone that recently purchased a M3 CS and he has already changed the suspension (MCS) and brakes (PFC). His car is heavily tracked and these changes will improve on-track performance compared to a stock M3 CS. BMW builds street cars which are compromised in all areas even the CS.

[Maitre_Absolut]

Originally Posted by M3SQRD

That’s your personal opinion. I know someone that recently purchased a M3 CS and he has already changed the suspension (MCS) and brakes (PFC). His car is heavily tracked and these changes will improve on-track performance compared to a stock M3 CS. BMW builds street cars which are compromised in all areas even the CS.

This is the OP's requirement. Really think a complete suspension makeover is necessary? People love answering questions that weren't asked.

"want to lower it but not give up any bit of handling"

[EricSMG]

Originally Posted by jacobe92

Agreed. My expensive, coveted, track oriented suspension and brake mods are not for you.

Dude, putting track coilovers on a base M3 does not a CS make. Further, the insinuation that slapping track parts on a street car will automatically "make it better" is ridiculous at best.

Far, FAR easier to screw up one of these cars than actually improve them. I've been driving/modding all generations (save for E30) of M3s for 20 years and your comments make me chuckle.

Classic.

Edit 1: have you even driven a CS in any significant capcity or are you lumping them with your '16 into your "lacking in these cars" comment?
Edit 2: pretty sure it's bee proven that the MPHAS is actually not the KW HAS.

[jacobe92]

[QUOTE=Maitre_Absolut;25041578]

Originally Posted by jacobe92

If it were me, I'd rip out the suspension and brakes and mod it w/ something better. I think it's what's lacking of this car right out of the factory.

As for the wheels, the BBS F1's is a solid choice.

".So you'd rip out what BMW changed the most on the car which also came with a hefty premium and also the part that has had the highest praise over the non CS. Great idea.

I've put everything MP HAS on my CS and am very happy with it. Kept the rear CS specific exhaust for a while though but in the end caved in for MPE."



I was merely making an opinion what I would do to a new car like the CS. It's what I did to mine when I first took delivery of my M3. Within a week, I replaced my sub par suspension, wheel and brakes. Again IMO, it's what's lacking w/ the M3, M4, CS "Except for the ones optioned with CCB" and the other previous body style M3 right out the factory.

About your MP HAS Suspension that you paid so much, that's not misinformation. That is literally the same bottom tier KW HAS Suspension resold as M Performance suspension. Another example, the M4 GTS is also equipped w/ the KW 3-Way Clubsports. Well, that is suspension I can get behind with and not the M Performance HAS Kit. Again IMO, I still can't believe they would put that useless, underperforming cheap kit on 100k car.

Again and my opinion only. A good suspension set up are pieced together. Sort of your own entertainment system at home. Ex a TV of your choice, Bower Wilkins for tower speakers, Velodyne sub woofer, Monster cables etc, etc. Not purchase all in one box and expect it to perform like you're watching at the movies.

[Clark_Kent]

It's always comical to read a bunch of opinions from folks who have never owned a CS or driven it for an extensive period of time. Stop watching YouTube reviews, step away from Instagram and reading articles pretending you know about the car if you don't. It's not helpful to folks who actually own the car and are seeking first hand insight.