Quote:
Originally Posted by NAFTW
Hi, I'm wondering if this would be a solution to the problem that I'm having with my 2007 E90 328i. I regularly track the car and before I could go for about 20-30min before the throttle would just suddenly cut off on me. My foot would be down to the floor on the gas but the car seems to be in a "limp" mode as it struggles to rev. No warning lights came on the dash but I assume that it would be normal for something to get hot over that duration of lapping.
After I swapped in the an LSD with high gear ratio, it seems like this problem has gotten more frequent as I can only last for about 10min now before the car goes into "limp" mode. I guess it's cause I'm able to drive faster and more aggressive now that the car heats up quicker. This is kind of getting annoying since now I can only get about 6 laps in before I have to get off which doesn't really give me enough seat time per session.
The dealership couldn't scan for any faults so I don't know what's exactly wrong, but I assume that the engine is getting hot and wondering if you guys had this experience before and know if adding the oil cooler would solve this problem.
Thanks!
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I've had the same issue with my car, but to a much lesser degree.
My car would do the exact same thing you're describing after about 20 minutes on a VERY hot track. It wouldn't do it every session nor would it even do it at every event. Just random times. I never really figured out what the problem was.
I eventually got an AA tune as well and as far as I can remember, it hasn't done it since I did the tune, but I have very limited track time with my 330 and the tune since I got my comp license and started racing.