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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 09-11-2010, 09:09 PM
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rooster1986 rooster1986 is offline
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Gear Set Replacement

I really want a different gear set in my differential, 3.15 isn't cutting it for me. So I plan on getting either the 3.23 or 3.46. I know the pros and cons of changing the gearing but my question is how hard is it to swap the gearing? Will I need to worry about extremely tight clearences or is it a simple swap? I found LSD clutch packs for $195 and the gear set for $175. Added up it will be cheaper than buying a used LSD with 3.23 or 3.46.
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  #2  
Old 09-11-2010, 09:39 PM
3B2M8WI 3B2M8WI is offline
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im sorry just a quick question since we are on the topic of LSD's can you get an LSD for an auto trans?
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Old 09-11-2010, 09:51 PM
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rooster1986 rooster1986 is offline
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As far as I know, the tranny and differential are two different things. Im not totaly sure but you should be able to just swap diffs or the LSD guts into your existing differential.
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Old 09-11-2010, 09:52 PM
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ZeGerman ZeGerman is offline
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Yes, you can have an LSD mated to an auto transmission.

Also, it is much less labor intensive to swap the entire final drive unit, rather than just the internals.
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Old 09-11-2010, 10:03 PM
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rooster1986 rooster1986 is offline
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Thats what I was affraid of. I was just looking at the cheapest of the options. Would it take more than a day to swap the gear set?
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Old 09-11-2010, 10:17 PM
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ZeGerman ZeGerman is offline
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Depends on your skill level, tools, etc. I'd just save your money for a few more pay cycles and do it the easy way.
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1998 BMW 328is
1966 Pontiac GTO
2007 Subaru Impreza 2.5i 5-door
View my photos: Caught in the Wild
For sale: E30/E36 front sway links
For sale: OEM E36 328 catback
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Old 09-11-2010, 11:05 PM
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hornhospital hornhospital is offline
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^ +1 Differential rebuilding/changing is tedious, precise work, requires tools that most DIYers don't have, and if you do it wrong the diff doesn't last very long. Sell your open diff and buy an LSD when you can afford it. MUCH easier and just about fool-proof.
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