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Old 10-08-2012, 07:34 AM
Officially Welcomed to the 'Fest
Location: San Francisco
Join Date: Aug 2009
Posts: 10,410
Mein Auto: 2009 E93 N54
Originally Posted by Robin128 View Post
Just bought a 5 year old automatic 335i and totally blown away with its performance etc.

First post on here...done some searches and sorted some other issues...but this one is giving me grief.

I have BMW TIS disc which states there are different transmissions in 335i's and those that have lifetime oil in them and others that need changing more regularly. Oils don't mix.

Question do I determine what my box is and what fluid I should use?

Performance, engine, suspension; drive train can be greatly enhanced. M-like wah achieved w/bolt-ons. Not hard either.

You have a ZF Steptronic transmission and, well, Lifetime Fluid means just that. But if you must, try this technique to find your solution.

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