Z3m lsd diff cover

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zz3po
Joined: Sun 30 Aug, 2015 10:31
Posts: 73

  Z3 roadster 1.8

Z3m lsd diff cover

Post by zz3po » Sun 26 Nov, 2017 11:43

Hi all
Trying to convert my z3 into z3m diff.
I bought a z3m lsd diff but it has non original cover that doesnt fit.
Tried to find a cover on web but it seems to be really expensive (more than the diff itself).
Does anyone got an idea for making my life easier or cheaper? Maby an e36 m3 or e 46 m3 cover will be a solution? Or does anyone know where i can get one for better pricing?
Thanks alot.

zz3po
Joined: Sun 30 Aug, 2015 10:31
Posts: 73

  Z3 roadster 1.8

Re: Z3m lsd diff cover

Post by zz3po » Sun 26 Nov, 2017 13:39

Was thinking...
The small case cover wont fit on the medium case?

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Deano1712
Z Register organiser
Joined: Sat 05 Aug, 2006 13:56
Posts: 1394

  M roadster S50
Location: Leeds

Re: Z3m lsd diff cover

Post by Deano1712 » Mon 27 Nov, 2017 22:52

The z3m diffs are expensive and rare so the cover will not be cheap. Have you tried bmw to see how expensive? The non m cover will fit and should be fine. You dont get the cooling fins but will be ok unless you are going to hammer it around a track. Other option is to fit a small remote oil cooler.
Z3M with a few mods...and a little bit more power

zz3po
Joined: Sun 30 Aug, 2015 10:31
Posts: 73

  Z3 roadster 1.8

Re: Z3m lsd diff cover

Post by zz3po » Tue 28 Nov, 2017 07:35

Thanks alot.
I found and ordered an e30 cover from a medium case diff, that should work.
Only issiue im concerne about is the speed sensor.
My car is now driving a small case normal diff.
Will the sensor from that small case diff fit and give the right data to the z3m diff?
Hope someone will be able to help out on that.
Thanks.

Juvvajuvva
Joined: Sun 06 Nov, 2016 16:52
Posts: 49

  Z3 roadster 2.8

Re: Z3m lsd diff cover

Post by Juvvajuvva » Tue 28 Nov, 2017 22:52

Pulse genorator is the same on all z3 diffs.

May I ask you
a: why are you using an M diff and
b: how are you going to overcome the output flange and drive shaft issues?

zz3po
Joined: Sun 30 Aug, 2015 10:31
Posts: 73

  Z3 roadster 1.8

Re: Z3m lsd diff cover

Post by zz3po » Wed 29 Nov, 2017 19:31

By pulse generator u mean the speed sensor on the diff?
Im replacing every part of the car to z3m.
Want a z3m but we do not have even one here where i live, so im converting mine :) for that reason i guess i wont have to overcome anything :)

Juvvajuvva
Joined: Sun 06 Nov, 2016 16:52
Posts: 49

  Z3 roadster 2.8

Re: Z3m lsd diff cover

Post by Juvvajuvva » Wed 29 Nov, 2017 20:03

Yes I mean the speed sensor.It is also referred to as a pulse generator.

Firstly, good luck and huge respect for attempting it. I have done a lot of it myself.

What are you doing with regards to the trailing arms?

zz3po
Joined: Sun 30 Aug, 2015 10:31
Posts: 73

  Z3 roadster 1.8

Re: Z3m lsd diff cover

Post by zz3po » Fri 01 Dec, 2017 08:59

Thanks alot :)
Already replaced all visual parts, so now the car looks exact like z3m outside and inside.
For the trailing arms,
For now i guess i will not replace them, thats a future task... dont have all the money in one shot. should be any problem with that?

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