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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Launching N55 e92



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      11-30-2019, 10:37 PM   #1
Chris1337
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Launching N55 e92

How bad is it on the drive train to launch the car on a prepped track? Got e85 fbo stock turbo with stock diff and tranny. I wouldn't expect the driveshaft or axles to bust but maybe the tranny or diff? Let me know if anyone has some wisdom or experience
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      11-30-2019, 11:10 PM   #2
weehe126
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You will break the axles first if you are using full slick. Next I think is the driveshaft to diff connection.
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      12-01-2019, 09:47 AM   #3
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Just do a full send bro. Yolo
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      12-01-2019, 11:57 AM   #4
Chris1337
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Quote:
Originally Posted by weehe126 View Post
You will break the axles first if you are using full slick. Next I think is the driveshaft to diff connection.
Stock open diff and 285 Michelin pss
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      12-02-2019, 03:18 PM   #5
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In my 335i I ran drag radials at the track. I usually launched in 2nd gear but did a 1st gear launch. I brake boosted to about 7 psi and hit 20 psi in first. I hated how hard it shifted into 2nd gear so I stuck with second gear launches.

I probably launched the car 60 times or so at the track. I would leave between 5 psi (older tune) and 12 psi (newer tune) and never had any issues at all. Nothing broke, no wheel hop, nothing at all.
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