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F30 335i Track Setup
| 05-25-2015, 06:32 PM | #1 |
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F30 335i Track Setup
I have taken my stock 335i msport to the track now twice.
I've been driving with my stock 19" Wheels & Eagle F1 tires: 225/40x19 Front 255/35x19 Rear I know I need to get a new set of wheels and tires if I want to continue my new hobby. I was wondering if anyone currently tracks their F30 and what their set up is like? Any suggestions to improve the performance of my car would be greatly appreciated! |
| 05-26-2015, 12:11 AM | #3 |
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There are plenty of discussions on this in the track and autox forum.
http://f30.bimmerpost.com/forums/forumdisplay.php?f=459 FWIW I've been slowly modding my car for better track/autox performance. ie upgraded the brake pads (Hawk Street/Race) and stainless brake lines are pending install along with a flush and new fluid (motul 600). I'm still on the OEM 400M wheels with the Pirelli rfts. However will be switching to an 18" rotary forged wheel, current contender is the TSW Bathurst 18x8.5 square and 255/40/18 Michelin PSS.
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| 05-26-2015, 11:30 AM | #5 | |
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I just tracked my F31, does that count?
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Generally, if someone says "track" I assume a real track, roadcourse of some kind. If they are drag racing I usually refer to that as the "Strip". If it is road courses OP then suspension and brake upgrades will make the biggest difference before adding more power. Stay away from the fancy drilled rotors, they look nice on the street but on the track they just reduce braking area. Think about the last professional race team you saw with drilled rotors.........
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| 05-26-2015, 12:40 PM | #6 | |
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| 05-26-2015, 05:55 PM | #7 | |
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Also fully agree about the suspension and brakes advice. Drilled rotors are indeed mostly fashion. When braking at high speed you want the biggest brake area possible and tires that grip like all hell. Sometimes this is still not enough, but every little bit helps. If she gets the M performance brakes or some other Brembos, and upgrades the suspension components, that would make a big difference. Reducing roll is the primary concern. The M Sport suspension is already solid. |
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| 05-26-2015, 08:22 PM | #8 |
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Limited Slip Differential (BMW M Performance LSD or Wavetrac)
Your brakes might be fine but maybe getting good a changing out brake fluid. Spend money on driving schools (BMWCCA HPDE etc.) Have fun!
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| 05-26-2015, 09:09 PM | #9 |
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Mod the driver, not the car.
Get some 18 inch wheels and some sticky tires ( not slicks). Lots of track time before you start modding the car elsewhere. |
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| 05-28-2015, 06:08 AM | #10 | |
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Here are the 18" wheels you need for the track. Sell the RFT tires and get some track rubber. http://f30.bimmerpost.com/forums/sho....php?t=1131023 |
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| 05-28-2015, 07:25 AM | #11 |
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Mods in order of importance
1) Continuous driver improvement. 2) Make the car stop. 3) Make the car turn. 4) Make the car go. Joel
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| 05-28-2015, 09:22 AM | #12 |
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I would upgrade your brake pads only for the fact that there has been instances where people's car's have gone into limp mode while tracking due to excessive brake heat. This would allow you to run longer on the track and have a safer experience.
If you have the m sport brakes, I believe the majority of the forums recommend porterfeild pads.
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| 05-28-2015, 09:37 AM | #13 |
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| 05-28-2015, 11:12 AM | #14 | |
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Quote:
And changing pads will do nothing in terms of heat. You will create the same amount of heat with either pads because you are still converting kinetic energy into heat. Proper track pads will continue to function at higher temps, whereas street pads will cease to grip at high temps and could possibly melt/glaze/crumble. On the track, a major purpose of the brake system is to dissipate the brake heat, and prevent the fluid from boiling. This is where larger rotors with proper pumping vanes make a big difference. The rotors essentially function as heat sinks. Also cooling ducts or anything to redirect cool air to your rotors. The fancy slots and dimples have a marginal effect on improving performance, maybe the slots help in the rain...dimpled rotors are bad for a DD track car because they can crack after being significantly heat cycled. 2 piece fully floating rotors are nice for the track because the iron rings have less chance to crack due to the expansion/contraction the heat cycles put on them.
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| 05-28-2015, 11:19 AM | #15 |
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#ladydrivenamerica
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Thank you all so much!
Yes, by track I mean road course. I have an OEM big brake kit with drilled rotors that I do not plan to replace for this car. I also plan to keep everything OEM since everything is covered under warranty. I agree that it is driver experience that is most important! Thank you for all your suggestions |
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