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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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Old 07-29-2009, 02:13 AM
SunKing SunKing is offline
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Location: Cologne, Germany
Join Date: Oct 2007
Posts: 49
Mein Auto: 328i, Nuclear Hedonbeast
E36 LSD question

Hi Lads,

Well, now that i have my Wildmobile (328i), I want to find a used LSD as soon as possible so I can start drifting etc. I've decided to source it off E-bay, and I recently found one here in Germany which looks tempting but kind of puzzling- It is described as a factory BMW part,

http://cgi.ebay.de/BMW-E36-sperrdiffere ... 7C294%3A50

Or if you can't access the link:

"M3 3,73 LSD E36 typ 188



(They're saying it would fit a 325i or 328i and is Type 188)

I thus have two questions:

1. I don't recall seeing a 3.73 ratio LSD as being standard on the E36 M3 (or any other E36); wasn't it 3.15? Or was the 3.73 a factory option?

2. My technical knowledge rivals George Bush's knowledge of world culture...How does a 3.73 ratio compare to a lower ratio, how does it change the car's character? I want to use the car for some drifting and an occasional track day but also an everyday car, not a dedicated stripped trackhound (at least not yet).

1996 328i: The Wildmobile
1998 E39 540i 6 speed: The Nuclear Hedonbeast

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Old 08-19-2009, 12:02 PM
hanlon325 hanlon325 is offline
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Location: cork, ireland
Join Date: Jun 2009
Posts: 47
Mein Auto: 96' 325 coupe, e30 318is
the 3.15 ratio LSD taken from my E36 M3 3.0litre. Normally, the M3 diff is indentical to the older 325iSport ones, apart from the flanges are different, meaning they only fit other M3 3.0litres - but i've swapped the flanges for that of a normal 325i's. The casing doesnt leak, and is in good visual condition.

The benefit of this diff over a 328iSport diff is you get the nicer 3.15 ratio instead of the 328's 2.93.

The diff locks really well for a stocku LSD. I've used it drifting on several occasions and its been faultless. Showing no signs of wear and gives good drifty performance. I used it for the British Open last year and people were surprised that the stock diff could keep up with the 2ways and welders the rest of the field had.

Fits any 325, 323, 328 with a type 188 medium case diff. May also fit some 5 series if you change the flanges too.

^^^ found this posted on driftsite.. hope it helps
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Old 08-19-2009, 03:41 PM
PhilipWOT's Avatar
PhilipWOT PhilipWOT is offline
Turn Burglar
Location: Atl: Come for the pollution, stay for the traffic
Join Date: Feb 2006
Posts: 12,282
Mein Auto: Red Assless Chaps
I want a 2.93
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Old 08-20-2009, 02:15 PM
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Killjoy Killjoy is offline
OEM Hoe....
Location: Santa Cruz, CA
Join Date: May 2009
Posts: 1,822
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Mein Auto: 1999 M3, 2002 tii
Do lsd's come stock on all m3's?

Originally Posted by Cmy_bimmer View Post
Oh your talking about THAT hole.. yeah thats an inspection hole

Last edited by Killjoy; 08-20-2009 at 02:17 PM. Reason: jus cuz
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