• Tiny
  • lout5369
  • 1988 BMW 735

Brakes problem
1988 BMW 735 6 cyl Two Wheel Drive Automatic 80000 miles

First let me say this, I don't own a BMW 735i, But what I have is a 1971 Rolls royce that I installed a 1988 BMW hydroboost brake system on, The problem I'm having is the pressure is getting so high in the feed line that I'm burning up pumps, I have manual brakes, but not power brakes, the Power steering works until you apply the brakes then you lose power assist, I need a diagram of the original system for a BMW 735i, Everything I'm using came from a salvage yard, but I removed it and made a note of the hookup before I took it off the car.I did this because the original Rolls Royce system was destroyed, and the cost to repair was rediculous

Thursday, August 6th, 2009 AT 9:49 AM

1 Answer

  • Tiny
  • lout5369
  • Member

Nevermind guys, I figured it out, The BMW pump doesn't make enough pressure to make the conversion work, I used a GM pump, now we're good.

Was this
Saturday, August 22nd, 2009 AT 7:00 AM

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