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      05-04-2018, 09:30 PM   #32
MarkDemma
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Drives: F22 M240i / E46 330Ci ZHP
Join Date: Dec 2017
Location: San Francisco

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Quote:
Originally Posted by capt_and View Post
I was out at the track this last weekend to run with the PCA and notice a few things we are going to need to address.

1. The front wheels running 9.5" 265 RS4 tires do rub on the inner fender liner once everything heats up and expands. The rub point is the front driver side toward the rear of the liner. Even with the fenders rolled, there is still a little rubbing. m235iR widebody kit is in the works. The kit will allow me to fit 10" et22 all the way around which means none of the wheels I have will work and I will have a couple sets of wheels to unload.

2. Hard bumps unsettle the car. It gets bouncy and the car get displaced. There is also a bit of bump steer. I'll have to get back out there and do some adjustments to the Ohlins settings to see if I can dial out the harshness/bumpiness.

3. Rotors are starting to crack. Temps coming off of the track with a cool down lap are around 700*. The OEM brakes have nice stopping power but they have a hard time keeping up during longer sessions. The plan is to put in the same brake cooling ducts as on the m235iR.


4. The stock seats are completely inadequate for track purposes. I am always sore all over after a long weekend of holding on for dear life. Good thing I have some Racetech Seats/harnesses and a roll bar from StudioRSR coming into Texas Track Works for install!
I think there is a one part that you could get that would solve all these issues ...

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