Xdrive rear diff size

spxxx · 01-25-2015, 04:34 PM

So I may be moving to a 335i xdrive 6AT soon from my FBO E92 MT and I want to add an LSD to the rear of my new car.

I have found that the final drive from my xdrive is also 3.08 like my current 6MT E92

Does anyone know if the rear difs are interchangeable on xdrive vs rwd? I know you can swap lsd units from rwd into xdrive so I would imagine that the housings are the same too??

Does anyone know if the 2010 xdrive has a large or small pumpkin?

spxxx · 01-25-2015, 04:37 PM

NEVERMIND!!!

Like I suspected the final drive is 3.46 not 3.08 on the 6AT xdrive... I misread the website I was referring to

Additionally... Does anyone know if xdrive diffs are welded based on the same specs/years as RWD variants?

01-25-2015, 04:34 PM	#1
spxxx Boost 1376 Rep 3,704 Posts Drives: 135i M-Sport Join Date: Feb 2014 Location: Valley of Silicon, CA - United States iTrader: (9)	Xdrive rear diff size So I may be moving to a 335i xdrive 6AT soon from my FBO E92 MT and I want to add an LSD to the rear of my new car. I have found that the final drive from my xdrive is also 3.08 like my current 6MT E92 Does anyone know if the rear difs are interchangeable on xdrive vs rwd? I know you can swap lsd units from rwd into xdrive so I would imagine that the housings are the same too?? Does anyone know if the 2010 xdrive has a large or small pumpkin? __________________ F80 M3 TrackBoi, Z4MC GarageBoi, 1M Clone StreetBoi
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01-25-2015, 04:37 PM	#2
spxxx Boost 1376 Rep 3,704 Posts Drives: 135i M-Sport Join Date: Feb 2014 Location: Valley of Silicon, CA - United States iTrader: (9)	NEVERMIND!!! Like I suspected the final drive is 3.46 not 3.08 on the 6AT xdrive... I misread the website I was referring to Additionally... Does anyone know if xdrive diffs are welded based on the same specs/years as RWD variants? __________________ F80 M3 TrackBoi, Z4MC GarageBoi, 1M Clone StreetBoi
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