Right I read the wiki page which was really helpful but I still dunno that will do the job.. My cars a 318i the 4:10 diffs would fit but there hard too get now ? I was thinking would a 318is e36 diff work or what else would ?
Cheers Adam
What Limited slip diff ??
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Grrrmachine
- E30 Zone Wiki / Team Member

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You need a diff from an E30. All later models had different gearboxes that lacked the E30's overdrive gear (less that 1:1 gear ratio). This means that E36 diffs start at about 3.25 - far too low for your 318i.
4.10 is what you need, but you can go one ratio up or down without it hurting performance too much.
Work out why you want an LSD first, and then decide whether it's worth the expense.
4.10 is what you need, but you can go one ratio up or down without it hurting performance too much.
Work out why you want an LSD first, and then decide whether it's worth the expense.
'89 325i Touring | Touring Resto Thread | In-Dash Screen install
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AlpineCab
- E30 Zone Regular

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Theres also the 4.44 which ain't a million miles from the 4.10?

