Originally Posted by aus
If you're new to tracking, I'd just keep it stock.
The car is WAY more capable than most people who do track, including me. A lot ofids are just to compensate for poor driving, IMO.
Eventually, the brake pads/fluid will need upgrading, but I've been in M3's where the instructor is flying around the track in a stock car, including the brakes.
+1..learn to max the car in stock form first