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7 Series - E38 (1995 - 2001)

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Old 11-05-2012, 03:45 PM
anniqu anniqu is offline
Registered User
Location: Miami Florida
Join Date: Nov 2007
Posts: 23
Mein Auto: 1997 740i
Master Brake Cylinder

I recently purchased a TRW Master Brake cylinder for my 1997 740i. The box has the cor=rect BMW part number 31316764190 . I matched it up with the unit in the can and it appears to be the same. The only difference is that the old unit has only one threaded entry for a brake line in the horizontal body of the unit and the new one has two. one opposite the other, on the old unit the opposite hole is molded sealed. I am thinking that I can just apply threadblocker to the unused plug nut that came with the new unit and close off the unused input. The question is will brake fluid dissolve the threadblocker?
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Old 11-05-2012, 08:15 PM
BMWFatherFigure's Avatar
BMWFatherFigure BMWFatherFigure is offline
Old School
Location: Perth, Western Australia
Join Date: Aug 2012
Posts: 3,980
Mein Auto: E23;E32;E34;E38;R50;R55
Not if you use the correct grade. Check with Loctite and see what they recommend.
Good - Fast - Cheap: Pick any two.
E23 735i; E32 735iL; E34 535i; 2 X E38 735iL (Oxford Green and Alpine White); R50 Cooper; R55 Cooper Clubman. E38 Parts Car
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
I've just changed my wiper blades and now my reverse lights don't work. Should I change my fuel pump relay?
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