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Rear Diff's

Discussion in 'E36 M3 (1995-1999)' started by Devilsown, Jan 4, 2009.

    Devilsown guest

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    I got my wife a 97 M3 and and not all to sure if it has the standerd diff or the controlled slip diff, Im looking to put new fluids in and i dont want to fugde it all up any way I can tell the difrrance between the two, I'll be running amsoil fluids

    Standard Differential, Rear .....GLS[1]
    Severe Gear 75W-90
    Controlled Slip Differential, Rear .....GLS[2]
    Severe Gear 75W-140
    • Member


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    All E36 BMW M cars have limited slip differentials installed from the factory. I'm not however familiar with Amsoil lubricants? but when in doubt use the lubricant made for the LSD and you will always be safe.

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    steven s

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    Amsoil is good stuff. I've been using Red Line for some time.

    Devilsown guest

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    I was debating what company to go with but AMSOIL, with a $20 fee you can get stuff at "wholesale" I already have saved about $80 with my first order.

    But that leaves me with the question what weight to use?

    1996 328ti guest

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    • Member


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    I use Redline 75w90 that has the friction modifiers in it.

    Unless someone else here knows offhand, you might want to check w/ Amsoil if you should add their friction modifier, I'd guess the recommendation would be to do so.

    Jeron guest

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    You should really be using the 75w-140. BMW changed the spec to 75w-140 years ago for the M3.

    However, on a street car it doesnt matter much.

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