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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Tracking, Autocrossing, Dragstrip, Driving Techniques > Why aren't there more track cars?



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      04-17-2021, 04:37 AM   #1
haaken675
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Why aren't there more track cars?

Hey everyone. Just curious why it doesn't seem like there are too many e9x track cars? Every other model seems to have plenty of builds. The e92 seems like a great platform for it. Modern suspension, last of the hydraulic power steering cars, n54/5 has plenty of power and there is more then enough development for cooling to keep temps down. What am i missing?

I am nearly complete with my e30 m52 turbo swap time attack build, and am considering getting some seat time with the e92 since i'm not going to be worrying about literally every nut and bolt. I look around periodically for anyone tracking something similar and it seems to only be m3's.
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      04-17-2021, 08:20 AM   #2
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Quote:
Originally Posted by haaken675 View Post
Hey everyone. Just curious why it doesn't seem like there are too many e9x track cars? Every other model seems to have plenty of builds. The e92 seems like a great platform for it. Modern suspension, last of the hydraulic power steering cars, n54/5 has plenty of power and there is more then enough development for cooling to keep temps down. What am i missing?

I am nearly complete with my e30 m52 turbo swap time attack build, and am considering getting some seat time with the e92 since i'm not going to be worrying about literally every nut and bolt. I look around periodically for anyone tracking something similar and it seems to only be m3's.
I think you are on the right track, pun intended lol. I recently tracked my e92 328i for the first time at a SCCA track night at Palm Beach International Raceway.

My car is not a track car build but it’s been built as a performance daily with a lot of mods you only see on track builds. I’m full Uniballs front and rear, m4 front spindles, -2.5/-2.0 Fr/Rr, camber Lost over 300lbs with weight reduction mods, extensive chassis bracing, and engine/power train mods with LSD.

So all that said I was running my daily driver set up on Falken FK510 street tires, oem BMW brake pads, etc. Just a Motul 600 fluid swap. I passed a e92m3 with 265 square track tires, tuned, and track pads. Passed a Cayman S, e46m3, Lotus Elise, Mustang GT, and even a Miata.

I believe there’s a lot of potential in the E92 chassis I was surprised... shocked really... at how well my car performed. I can’t speak for the turbo platforms but it’s also pretty clear the chassis and basic suspension geometry of the E92 platform is on point.

My buddy with the E92M3 (running same camber settings as me) commented that I was walking away from him in the corners and I was maintaining the gaps in the straights.



If you are willing to put some time and effort into the build I would totally encourage you to also consider a N52 powered car like a 128/328 with a manual, not just the turbo platforms. There’s a lot of potential and the lightweight parts from the M3 all swap directly to the 328i. As you know on the track light is right. My car is now under 3000lbs and has around 260whp and has proven very competent on the track.






Btw, my interior is not gutted so there is a lot of room to take maybe 50-100lbs off as a straight up track build...

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      04-18-2021, 09:45 AM   #3
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Quote:
Originally Posted by Biginboca View Post
I think you are on the right track, pun intended lol. I recently tracked my e92 328i for the first time at a SCCA track night at Palm Beach International Raceway.

My car is not a track car build but itís been built as a performance daily with a lot of mods you only see on track builds. Iím full Uniballs front and rear, m4 front spindles, -2.5/-2.0 Fr/Rr, camber Lost over 300lbs with weight reduction mods, extensive chassis bracing, and engine/power train mods with LSD.

So all that said I was running my daily driver set up on Falken FK510 street tires, oem BMW brake pads, etc. Just a Motul 600 fluid swap. I passed a e92m3 with 265 square track tires, tuned, and track pads. Passed a Cayman S, e46m3, Lotus Elise, Mustang GT, and even a Miata.

I believe thereís a lot of potential in the E92 chassis I was surprised... shocked really... at how well my car performed. I canít speak for the turbo platforms but itís also pretty clear the chassis and basic suspension geometry of the E92 platform is on point.

My buddy with the E92M3 (running same camber settings as me) commented that I was walking away from him in the corners and I was maintaining the gaps in the straights.



If you are willing to put some time and effort into the build I would totally encourage you to also consider a N52 powered car like a 128/328 with a manual, not just the turbo platforms. Thereís a lot of potential and the lightweight parts from the M3 all swap directly to the 328i. As you know on the track light is right. My car is now under 3000lbs and has around 260whp and has proven very competent on the track.






Btw, my interior is not gutted so there is a lot of room to take maybe 50-100lbs off as a straight up track build...

If my wife wouldn't literally kill me for bringing home yet another car or bike project, i would be looking into a 128 or 135i....Would be a great track build. If i wasn't so deep into my e30, i could be tempted to abandon it and switch to building the 33i completely. Not having fab up literally every part imaginable is so tempting along with the much more modern suspension....
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      04-19-2021, 07:48 AM   #4
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I go to the track with my E90 328i xDrive. I have two child seats in the back. I drop off kids at daycare and go to the track at least once a month. People do not realize that as long as they have good brake fluid and pads, decent tires, nothing stops them from doing it. They think it is a multi-thousands dollars project.
My car has to be ski ready, so I cannot lower my car, but still, I can improve suspension, put M3 control arms to the back. I just finished the project of installing oil cooler from 335 as here altitude is brutal when it comes to cooling the engine. It is manual, so it is a hoot to drive it. Who cares I am not the fastest guy on the track. Actually, besides several car I pass, usually people pass me, but who cares?
Here, I actually see a lot of E90's. 335, 328, M3, they're all here at High Plains Raceway.
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      04-20-2021, 11:32 AM   #5
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Quote:
Originally Posted by haaken675 View Post
If my wife wouldn't literally kill me for bringing home yet another car or bike project, i would be looking into a 128 or 135i....Would be a great track build. If i wasn't so deep into my e30, i could be tempted to abandon it and switch to building the 33i completely. Not having fab up literally every part imaginable is so tempting along with the much more modern suspension....
Man, you did some serious weight shedding there.
Did you upgrade the brakes on your 328 or you left them where they were?
I am a bit hesitant to go 335 brakes bcs. increase in unsprung weight.
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      04-21-2021, 11:08 AM   #6
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Quote:
Originally Posted by edycol View Post
Man, you did some serious weight shedding there.
Did you upgrade the brakes on your 328 or you left them where they were?
I am a bit hesitant to go 335 brakes bcs. increase in unsprung weight.
On the front I’m running f30 4 piston Brembo and the lightweight E90 335i ECS tuning rotors (348mm x 30mm x 19.8lbs). It’s an odd combo I ended up going with to work with M4 spindles and hubs.

The rears are stock for now.

Coded the sport brake option and everything works great it’s plenty for my car.
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      04-22-2021, 04:22 PM   #7
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Quote:
Originally Posted by Biginboca View Post
On the front Iím running f30 4 piston Brembo and the lightweight E90 335i ECS tuning rotors (348mm x 30mm x 19.8lbs). Itís an odd combo I ended up going with to work with M4 spindles and hubs.

The rears are stock for now.

Coded the sport brake option and everything works great itís plenty for my car.
I am definitely going bigger brakes, probably 335 rotor and ads.
But, thinking still about E90 330i brakes as the front is smaller (330mm) and the rear are the same as 335i.
Will see. My issue is that I am at a high altitude and for every 1.000ft one loses 3% of power in NA engines.
I will go three-stage intake and chip, so that will mitigate heavier brakes.
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      04-23-2021, 06:43 PM   #8
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Quote:
Originally Posted by edycol View Post
I am definitely going bigger brakes, probably 335 rotor and ads.
But, thinking still about E90 330i brakes as the front is smaller (330mm) and the rear are the same as 335i.
Will see. My issue is that I am at a high altitude and for every 1.000ft one loses 3% of power in NA engines.
I will go three-stage intake and chip, so that will mitigate heavier brakes.
I have both e90 335 front brakes and a full set of stoptech st-60/st-40 BBK with a slew of pads if youíre interested.
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      04-24-2021, 10:32 PM   #9
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Quote:
Originally Posted by davidwarren View Post
I have both e90 335 front brakes and a full set of stoptech st-60/st-40 BBK with a slew of pads if youíre interested.
Not venturing yet onto that project. Currently working on suspension. Thanx.
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