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Factory LSD on a 1985 318i auto?

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    Factory LSD on a 1985 318i auto?

    Last night my dad accidentally won an auction for a '85 318i auto. From the auction site I was able to grab and decode the VIN and both bimmer.work and mdecoder.com are showing 209 Limited Slip Differential (25%)​. The diff chart on E30 zone doesn't show a LSD as an option so I am confused and wondering if anybody else has encountered this.
    Last edited by E30 Wagen; 09-12-2024, 08:43 AM.
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    #2
    Originally posted by E30 Wagen View Post
    Last night my dad accidentally won an auction for a '85 318i auto. From the auction site I was able to grab and decode the VIN and both bimmer.work and mdecoder.com are showing 209 Limited Slip Differential (25%)​. The diff chart on E30 zone doesn't show a LSD as an option so I am confused and wondering if anybody else has encountered this.
    it's possible at least in north america as it was an available option. the case is different but the ls itself is same unit used in the e21 ls diffs. it'll be small case. bonus if it was built with one and still has it. make sure to verify what's actually on the car physically when you get it.

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      #3
      Picked it up today and it's got a S4.10 tag on the diff, kind of a nice little surprise I guess, didn't expect that on a lowly 318i. Before making this thread I should have researched a little harder and checked realoem where I discovered the LSD option. If the LSD was never offered in the UK then it makes sense that the UK based e30zone wouldn't include it in their chart. Now I just wonder what differences it has from the S4.10 diff offered in the later m42 cars.
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        #4
        BMW did some weird things with small- case LSDs in the 80's and 90's- the E36ti's seem to have gotten them
        surprisingly frequently in the US- maybe BMW thought 'ooo, we'll get the economy- minded sports car wanna- be's'
        But on an automatic? That's... a new level of 'huh?'
        There aren't a lot of heated options on it, are there? One of the later packages that could include a LSD was the 'cold weather' stuff...

        my dad accidentally won an auction for a '85 318i auto
        what kind of alcohol was involved?

        t
        now, sometimes I just mess with people. It's more entertaining that way. george graves

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