45% LSD for 323i E21 - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 08-26-2004, 07:34 AM
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Hello,

I am looking for a 45 % LSD with a 3,64 ratio for my BMW 323i E21 from 1979.

Does anyone know where I can find that kind of LSD.

At the moment I drive the 25% LSD with 3,64 ratio, but the inner wheel is always spinning when accelerating out of the corners.

Is it possible to rebuilt the 25 % LSD to a 45 % LSD? When yes, which company are doing these kinds of work?

I am waiting for your answers?

Best regards.
Yann
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#2 (permalink) Old 08-26-2004, 07:44 AM
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Welcome to the forums!!

BMPDesigns Carries a 40% lockup Differential for a hefty price but that is for the e30...im not sure if it will fit...sorry i couldnt be more help
Here is the BMP Rear Differentials...

Kyle Sutherland

1995 BMW 540i/6:
The Calypso Beast Vid 0-70ish
1987 BMW 325es: Face & Butt Lifted/M50tu Swapped*Sold*
1985 VW Scirocco: Too many mods, money pit*Sold*
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#3 (permalink) Old 08-26-2004, 07:55 AM
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Hi,

Thanks for your answer.

I have written a mail to Bmp. I did not know that the diffs for these old cars(youngtimer) were that expensive. But if the driveability is getting better with these diffs, i will spent the money .

Aren't there no others companies specialised in BMW LSD diffs here around Luxembourg,Germany etc (europe )?

Best regards.
Yann
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#4 (permalink) Old 08-26-2004, 08:08 AM
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That im not sure sorry any of you guys know?

Kyle Sutherland

1995 BMW 540i/6:
The Calypso Beast Vid 0-70ish
1987 BMW 325es: Face & Butt Lifted/M50tu Swapped*Sold*
1985 VW Scirocco: Too many mods, money pit*Sold*
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#5 (permalink) Old 08-26-2004, 01:35 PM
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check out quaife differentials. i know they are very high quality and come in almost any % lock setting up to 80, but they will probably cost a ton. also, racing dynamics has a 3.64:1 diff for the e46 which has variable lock technology found in the e46 m3, but i dont think it will work on a e21; just thought i'd throw that in just in case
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#6 (permalink) Old 08-27-2004, 06:35 PM
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try http://www.MetricMechanic.com

with regard to your other post, it takes special tools/equipment to rebuild and setup the differential R&P properly, it is typically not a DIY job for all but the most hardcore backyard mechanics
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