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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Tracking, Autocrossing, Dragstrip, Driving Techniques > new to bmw,can't launch car



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      04-18-2013, 06:40 PM   #1
rightaway
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Question new to bmw,can't launch car

I have a 2009 BMW 328I 6mt rwd. even when I turn the traction control off, I cant have launch the car. The car just fall rev but it wont go anywhere. is there a factory resistor on these cars? I cant even spin the tires. n burn out, no donuts. nothing and this isn't my first manual trans car. I had a few DSM with 1.6-1.8 0-60 times so I understand clutch to throttle ratios. I have tried and different rpms and nothing. just smell like burning clutch. the car is 100% stock.
any hopeful info to help a new to BMW member.....
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      04-18-2013, 06:45 PM   #2
smares21
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Need to modify/remove the clutch delay valve.

http://www.e90post.com/forums/showthread.php?t=630868
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      04-18-2013, 07:10 PM   #3
rightaway
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thanks for the link, is it better to just modify the stock one or should I buy an upgraded one? I wonder why they installed that valve is the car? Can damage if you take it out? Or can I just take the whole valve out? If so, how does the line connect back in?
and is there any other free mods that I can do to make the car better? I don't have a warranty so I don't have to worry about voiding my it.

Last edited by rightaway; 04-18-2013 at 08:21 PM.
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