Hi - at least some of mine .... are a bit shabby. Struggling to find a supplier. Any suggestions please ? I'm in NZ but also in the USA every 6-7 weeks.
Thanks Julian
4x32 M635 front brake pistons
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4x32 M635 front brake pistons
# 328 RHD M635csi 1986 Dinan 3.8
Jensen Interceptor Convertible 1976
Jensen Interceptor Convertible 1976
- nick88highline
- Posts: 348
- Joined: Fri Feb 06, 2009 11:31 am
- Location: Suffolk, UK
Re: 4x32 M635 front brake pistons
When I rebuilt my single pot calipers I had stainless steel pistons made up, but then I only needed four to cover the entire car
I used a UK based company called Kitek. I guess there must be somewhere closer to you that could do that, but it would not be cheap.
BMW does not sell the pistons on their own, at least for my calipers, so having them re-made was my only (sensible ) option.
Nick
I used a UK based company called Kitek. I guess there must be somewhere closer to you that could do that, but it would not be cheap.
BMW does not sell the pistons on their own, at least for my calipers, so having them re-made was my only (sensible ) option.
Nick
BMW 635CSiA (1988)
BMW i3 (2016)
Jeep Grand Cherokee V8 (2000)
Morris Minor 1000 (1968)
BMW i3 (2016)
Jeep Grand Cherokee V8 (2000)
Morris Minor 1000 (1968)
Re: 4x32 M635 front brake pistons
# 328 RHD M635csi 1986 Dinan 3.8
Jensen Interceptor Convertible 1976
Jensen Interceptor Convertible 1976
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Re: 4x32 M635 front brake pistons
Kiwi For kicks I just googled Big Red Ltd and you can get to them directly and avoid Ebay if you haven't done so yourself. Probably more economical as you can save them the ebay fees at the least. Just sayin1
81 Euro 635 M90 with motronic. Currently under a complete nut and bolt restoration. Pictures at
flickr.com/photos/bertsphotos.
flickr.com/photos/bertsphotos.
- zinnocoupe
- Posts: 506
- Joined: Fri Sep 19, 2014 12:57 am
- Location: Vancouver BC
Re: 4x32 M635 front brake pistons
Thats an interesting product. I assume that front calipers on the M636csi are different from Series I four piston calipers.I should know this but can't remember. I just measured a piston from my 530i and it is 42x30. I see they have the later 635csi single piston kit as well.
Edit: According to realoem those pistons were used on all all these models:
1502-2002tii (09/1968 — 11/1975)
1500-2000CS (09/1963 — 01/1972)
5' E12 (02/1972 — 07/1981)
5' E28 (10/1984 — 01/1988)
2.5CS-3.0CSL (12/1968 — 11/1975)
6' E24 (10/1975 — 04/1989)
2500-3.3Li (08/1968 — 02/1977)
7' E23 (10/1976 — 06/1986)
M1 E26 (06/1980 — 07/1981)
So that 40x32 must be a typo, they meant 42x30.
Its good news for people with rusty old series I brakes
Edit: According to realoem those pistons were used on all all these models:
1502-2002tii (09/1968 — 11/1975)
1500-2000CS (09/1963 — 01/1972)
5' E12 (02/1972 — 07/1981)
5' E28 (10/1984 — 01/1988)
2.5CS-3.0CSL (12/1968 — 11/1975)
6' E24 (10/1975 — 04/1989)
2500-3.3Li (08/1968 — 02/1977)
7' E23 (10/1976 — 06/1986)
M1 E26 (06/1980 — 07/1981)
So that 40x32 must be a typo, they meant 42x30.
Its good news for people with rusty old series I brakes
- zinnocoupe
- Posts: 506
- Joined: Fri Sep 19, 2014 12:57 am
- Location: Vancouver BC
Re: 4x32 M635 front brake pistons
OK please disregard my last post. I just realized I was measuring a set of rear pistons which are a different size