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      09-21-2011, 07:51 AM   #1

Drives: 2008 M3
Join Date: Sep 2011
Location: Maryland

iTrader: (0)

Limp Mode While Tracking Car

I have a 2008 335i that I have been tracking at HPDE events at Summit Point for a little over a year. At these events I get four twenty minute sessions on the track. The last couple of times the car has been going into limp mode one or two times per session. It would do so before but now it is happening more frequently. Probably because I am pushing the car harder as I get better. I can get the car out of limp mode by bringing the car into pit lane, turning it off and restarting. It seems to go into limp mode under hard breaking and turning not under acceleration. The car has the following modifications:

Dinan Stage 2 ECU Upgrade
Dinan Oil Cooler
Dinan Stage 1 Suspension
H&R Sway Bars
Power Slot Slotted Rotors
Hawk HP Plus Brake Pads

I have had the codes pulled but there weren't any codes that explain why the car is going into limp mode. Although I can resolve the problem on the track I want to figure out what is causing it to happen in the first place. Anybody have any ideas?

Last edited by marty-k; 09-21-2011 at 08:00 AM.