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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Tranny slipping??



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      01-21-2013, 09:15 AM   #1
Pepe_pr
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Tranny slipping??

Hey guys something is a bit wierd with my transmision

When the car is cold, the transmision slips in 2 and 3 gear,

Once i use the car for a while the transmision starts working properly.

All this slips are at very low rpsm. Leas than 2,000-2500

Any thougths??
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      01-21-2013, 10:53 AM   #2
rismo
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Dying internals.. probably your internals starting to run into end of life.
You could try a complete oil refill. This might help you for some months.... I have did it 3 times on my old car. Eventualy I had to rebuild the box. Costs were about 2000 euro including parts and oil.
You could go for a level10 upgrade. I looked into this but decided based on the information I had to just rebuild it with standard ZF parts.
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      01-21-2013, 11:28 AM   #3
Pepe_pr
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Funny update, the tranny works fine if i use it mannualy!!

This is wierd!!
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      01-21-2013, 11:48 AM   #4
rismo
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could be... manual has a different algorithm... same with DKG-> when set to sports mode, the DKG clutch process is more agressive -> Less slip...
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