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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 > open Diff



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      01-16-2008, 09:33 AM   #1
luckyD
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open Diff

i have old production car with non welded diff and i can swap parts to the new 335 im getting when it comes to diifrential witchparts should i keep so i wont have to deal with welded differential is it the inside parts or casing?
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      01-16-2008, 09:45 AM   #2
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Can you just replace/swap the whole unit as a whole? I think that would be the easiest and fastest way.
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      01-16-2008, 12:26 PM   #3
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Theoretically all you need to do is swap out your old diff housing with the crown wheel attached. However, there may be a slightly different diff case size - best bet is to contact Kevin Bird at Birds UK www.birds.uk.com and ask his advice
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      01-30-2008, 10:53 PM   #4
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Ideally you would go to a shop that knows what they are doing (e.g., KMS) and have them remove the final drive (whole pumpkin) from old car, have the Quaife installed in that final drive, then remove the new final drive and put it in old car, replaced by old final drive with Quaife in new car.

So you would need to order the Quaife chunk, have it in hand when your new car arrives, take both cars to KMS and let Brett do his thing.
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      01-31-2008, 06:45 PM   #5
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thank you Guys
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      01-31-2008, 08:46 PM   #6
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Quote:
Originally Posted by luckyD View Post
thank you Guys
what year build is your car?
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