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8 Series - E31 (1989 - 1999)

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Old 03-20-2013, 11:37 AM
becksforeigncar becksforeigncar is offline
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Location: porterville
Join Date: Mar 2013
Posts: 1
Mein Auto: vw
840 hydraulic brake assist

We have a 1995 840 series that the hydraulic power assist for the brakes is leaking on. We cannot seem to get the correct one from either the dealer or used suppliers. The one we are getting has a 4 bolt pattern on the firewall side and a 2 bolt pattern for the master cylinder side. The one on our car has a 4 bolt pattern on the firewall but a "3" bolt pattern for the master cylinder. The dealer comes up with a part # 34-33-1-161-950 and their catalog shows it as fitting a 2 bolt master cylinder. Also ours has an spacer on the on the firewall side about 2 inches wide that offsets the whole unit. Are there any 8 series gurus out there that can point us in the right direction// Thanks Beck
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Old 03-20-2013, 07:58 PM
TerryY's Avatar
TerryY TerryY is offline
Old Fogey
Location: Woodland Washington
Join Date: Jul 2003
Posts: 678
Mein Auto: BMW '95 840
Email MAX@FINEMOTORING.COM He manufactures rebuild kits for E31 and E32 brake boosters.
Woodland Washington
'95 840Ci
'98 740i
'00 Range Rover Vitesse
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Old 03-25-2013, 08:03 AM
02540ico 02540ico is offline
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Location: Colorado Springs, Co
Join Date: Aug 2009
Posts: 278
Mein Auto: 1997 850Ci
Bill supplies a great kit. I'd recomment the full, $100 kit.
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