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      10-26-2017, 12:22 PM   #1
Biginboca
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E92 to approximate M2 level handling?

I have an e92 all stock suspension and brakes just added some aftermarket 18Ēíwheels and power mods...



Yesterday I had a chance to drive a M2 on the track at Palm Beach International Raceway.



It was amazing! The power was great of course... but the handling is what blew me away. I looked up the weight and was surprised to see that it actually weighs about 200lbs more than my car. So that leaves a question...

What would it take to get an E92 coupe near the handling ballpark of the M2?
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      10-26-2017, 12:47 PM   #2
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Not much, just new suspension and steering rack :-) What wheels are those? Apex?
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      10-26-2017, 12:52 PM   #3
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Not much, just new suspension and steering rack :-) What wheels are those? Apex?
VMR 710ís 18Ē
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      10-26-2017, 01:32 PM   #4
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Not much, just new suspension and steering rack :-) What wheels are those? Apex?
What suspension? Ohlins Coilovers?

Iím happy with the steering I have and I just had the rack replaced Iím looking for more grip. I drove the M6 first and although it had power it felt heavy and couldnít hold the line of the instructor at speed. The M2 felt like a sport bike and I was on the instructors ass the whole lap.

I noticed the M2 had Goodyear tires Iím on Ventus V12ís now will be looking to change tire brands soon.
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      10-26-2017, 01:58 PM   #5
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Quote:
Originally Posted by Biginboca View Post
What suspension? Ohlins Coilovers?

Iím happy with the steering I have and I just had the rack replaced Iím looking for more grip. I drove the M6 first and although it had power it felt heavy and couldnít hold the line of the instructor at speed. The M2 felt like a sport bike and I was on the instructors ass the whole lap.

I noticed the M2 had Goodyear tires Iím on Ventus V12ís now will be looking to change tire brands soon.
BMW Performance suspension is good.https://www.turnermotorsport.com/p-5...SABEgKWrfD_BwE Ventus V12 is decent tire. I was suprised just last Saturday on the truck by how good they held for what they are. (not my car, I have Federal on mine)
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      10-26-2017, 02:24 PM   #6
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Don't M cars have different bushings everywhere? Those are sure to make a big difference in the feel of the car.

Also alignment settings.

Also Sway bars.

Tire sizes also matter, M-cars have pretty wide tires.

Oh yeah and the M cars are physically about 3-4 inches wider than their non-M counterparts.



I've had Ventus V12, Conti DW, and Bridgestone S-04 on my various cars and I definitely like the Bridgestones the best if thats worth anything. I hear great things about the Michelin PP but they are much more expensive than the others listed.
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      10-26-2017, 02:30 PM   #7
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Quote:
Originally Posted by feuer View Post
BMW Performance suspension is good.https://www.turnermotorsport.com/p-5...SABEgKWrfD_BwE Ventus V12 is decent tire. I was suprised just last Saturday on the truck by how good they held for what they are. (not my car, I have Federal on mine)
Thanks for that link! Do you know if they make that for e92? That link says itís for 1 series E82, would it work on the E92?
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      10-26-2017, 02:41 PM   #8
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Quote:
Originally Posted by Biginboca View Post
Thanks for that link! Do you know if they make that for e92? That link says itís for 1 series E82, would it work on the E92?
I'm not sure, they will fit but probably springs need to be different but I don't think so because 328i and 135i of similar weight, approx 3400lbs. They also sell this kit minus the springs I think.
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      10-26-2017, 04:57 PM   #9
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Quote:
Originally Posted by Biginboca
Quote:
Originally Posted by feuer View Post
BMW Performance suspension is good.https://www.turnermotorsport.com/p-5...SABEgKWrfD_BwE Ventus V12 is decent tire. I was suprised just last Saturday on the truck by how good they held for what they are. (not my car, I have Federal on mine)
Thanks for that link! Do you know if they make that for e92? That link says itís for 1 series E82, would it work on the E92?
https://www.turnermotorsport.com/p-5...front-swaybar/
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      10-26-2017, 05:16 PM   #10
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The BMW Performance suspension is very good.
That, M3 front sway bar and M3 control arms with max negative camber will be very good handling combination.

I had the same setup before getting my lsd installed, now have full M3 control arms and subframe. The car was/is very capable with that setup, running side by side with new M3ís and M4ís on the track.
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      10-26-2017, 07:03 PM   #11
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The BMW Performance suspension is very good.
That, M3 front sway bar and M3 control arms with max negative camber will be very good handling combination.

I had the same setup before getting my lsd installed, now have full M3 control arms and subframe. The car was/is very capable with that setup, running side by side with new M3ís and M4ís on the track.
I know, I have all that and it's great stuff. I just used the BMW Performance shocks and springs, E93 M3 frt sway w/ powerflex bushings, all M3 arms, frt and rear, ECS trailing arms, black powerflex RSFB's. Don't have the M3 rear subframe though and I definitely need a LSD.
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      10-27-2017, 09:23 AM   #12
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So there are plenty of Coilover options at the price level of the performance suspension. Why do you guys prefer the performance?
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      10-27-2017, 10:06 AM   #13
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Quote:
Originally Posted by Biginboca View Post
So there are plenty of Coilover options at the price level of the performance suspension. Why do you guys prefer the performance?
No need to rebuild shocks and no downtime if you have to send your coilover out. This is my daily driver, so canít leave car up on jack stands waiting for rebuild. The ride is also very good even with RFT.
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      10-27-2017, 10:50 AM   #14
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No need to rebuild shocks and no downtime if you have to send your coilover out. This is my daily driver, so canít leave car up on jack stands waiting for rebuild. The ride is also very good even with RFT.
Awesome, thank you for that. Iím not looking to build a track car I just want a car I can enjoy daily and on the track a few times a year, which sounds like what the performance suspension will do.
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      10-27-2017, 07:10 PM   #15
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Quote:
Originally Posted by Biginboca View Post
So there are plenty of Coilover options at the price level of the performance suspension. Why do you guys prefer the performance?
Coilovers below $1500 are garbage. Unless you're going to spend $1800+ (which is where the Ohlins R&T start at), you will get better results with a quality strut/shock + spring combo.

You should see if you can drive any local cars with the B12 kit or the BMW PS kit, but that might be a long shot.

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Originally Posted by Rezinator View Post
No need to rebuild shocks and no downtime if you have to send your coilover out. This is my daily driver, so canít leave car up on jack stands waiting for rebuild. The ride is also very good even with RFT.
All shocks have to be rebuilt at some point... I don't think your point makes any sense here. It's not like you can use your spring without a shock if you don't get a coilover??
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      10-27-2017, 09:06 PM   #16
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What I meant is that I can easily buy a shock and have it replaced rather than send a coilover out for a rebuild. You are correct, quality coilovers are not cheap.
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      10-27-2017, 09:24 PM   #17
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Originally Posted by r4dr View Post
Coilovers below $1500 are garbage. Unless you're going to spend $1800+ (which is where the Ohlins R&T start at), you will get better results with a quality strut/shock + spring combo.

You should see if you can drive any local cars with the B12 kit or the BMW PS kit, but that might be a long shot.



All shocks have to be rebuilt at some point... I don't think your point makes any sense here. It's not like you can use your spring without a shock if you don't get a coilover??
Well Iím actually looking hard at the Ohlins. The difference in price between them and the PS isnít enough to deter me from spending the extra. Iím pretty much down to those 2 options based on the reading I did today. I like the adjustability of the ohlins also.
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      10-27-2017, 09:36 PM   #18
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Quote:
Originally Posted by Biginboca View Post
Well Iím actually looking hard at the Ohlins. The difference in price between them and the PS isnít enough to deter me from spending the extra. Iím pretty much down to those 2 options based on the reading I did today. I like the adjustability of the ohlins also.
Ask around how often people adjust their coilovers because my opinions is that they do not too often so unless you are after serious track time or particular stance I would not recommend any coilovers.
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      10-27-2017, 09:49 PM   #19
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Quote:
Originally Posted by Rezinator View Post
No need to rebuild shocks and no downtime if you have to send your coilover out. This is my daily driver, so can’t leave car up on jack stands waiting for rebuild. The ride is also very good even with RFT.
When my rear KWs needed a rebuild, I just had it done while my car was at the workshop getting services and some repairs/maintenance work.
The shop pulled out the shocks, dropped them off at a suspension specialist, and they were finished at the same time. No additional downtime and I had a loan car from the workshop.
So it's not bad if you organise it well

Also it's nice to be able to adjust stiffness for different situations and personal taste. Weekend thrash? Stiffen them.
Long roadtip with friends? Soften them for comfort.
Track day? Ramp up the stiffness to racecar level.
Different wheel/tyre profiles, other suspension parts/bushings and the condition of your local roads will affect how stiff you want them.
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      10-28-2017, 07:34 PM   #20
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Ok thanks everyone for all the input in this thread. After some more thinking I’m leaning towards the following as my suspension upgrades, would love to hear any input on this...

-BMW Perfomance Suspension

-Dinan Camber Plates

-Supreme Power 10mm Front Drop Perches (because the Dinan plates raise the front about 1/4” (6mm)

-M3 Front Control Arm Upgrade (I already have Megan Racing rear toe arms so I can align the rear however is ideal.)

-245 Front Tire (and I’m currently running a 275 rear tire and a 225 Front)

Any reason I shouldn’t do these mods on my daily driver maybe 2-3 x a year track car?

Thanks!

Last edited by Biginboca; 10-28-2017 at 07:58 PM.
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      10-28-2017, 09:11 PM   #21
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You may not need Dinan camber plates/lowering perches. I was about to buy them, but was able to get -1.5 camber on the front with just the M3 control arms.
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      10-29-2017, 04:18 PM   #22
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Quote:
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You may not need Dinan camber plates/lowering perches. I was about to buy them, but was able to get -1.5 camber on the front with just the M3 control arms.
Ok cool, thanks for letting me know!
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