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      04-27-2012, 08:45 AM   #43
GaryS
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Drives: 2009 135i 6MT
Join Date: Feb 2010
Location: Maryland

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2009 135i  [6.50]
Here's a post about the 5000 rpm rev limit from Scottn2retro's driver Ralph Warren.

Quote:
Originally Posted by imported_ralphwarren View Post
Limp Mode - If that's what it is called then fine. I call it a dynamic rev-limiter. It seemed to me that the rev-limiter would simply drop to between 4000 and 5000 depending on conditions. What amazed me was how quickly the car came back and was drivable at speed again. It took me 2 sessions to figure it out and manage the car to keep it from happening and still keep my lap times decent. I used a few enduro racing tricks which basically boil down to short shifting and lifting early - where necessary. Where there was little to gain by staying on the gas… I was off the gas. Where it was important to blast out of a corner at full-throttle… then that's what I did. The hard part about driving like that is keeping the late threshold braking, cornering speed and exit speed maximized. It's easy to let those things slide when you are trying to save gas, cool the car or run in enduro mode. I also ran every session with the heater on full blast which I'm sure helped.
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