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Old 07-19-2015, 02:26 PM   #1
Dr. Flyview
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Question E34: Correct position for Clutch pedal eccentric bolt



Hi guys,

I just bought a 1993 525i and the clutch pedal catches really high, but doesn't slip. After some research I found that there is an eccentric bolt at the very top of the master cylinder that changes pedal height (and bite point?). It has 2 positions you're supposed to tighten it down in, with the mark either toward the master cylinder (down) or toward the driver (up). I loosened and spun mine from down to up but not sure it really made a difference. Can anyone provide some info on which way would provide the lower bite point?

Here's a relevant article and picture of the setup (scroll down to the e34):

http://www.autozone.com/repairguides...00c1528004a443
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1998 BMW 328is - summer
1992 Ford E250 Sportsmobile - daily
1993 BMW 525i - sold
1994 BMW 325i - sold
1992 BMW 325i - gone
1988 Mercedes Benz 190E 2.3-8V -
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Old 07-21-2015, 07:47 PM   #2
Dr. Flyview
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So I took a very close look at it while spinning it between the 2 positions. With the marking facing away from the master cylinder the pedal is low and with the marking pointing toward the master cylinder the pedal is a little bit higher. However, it only changes the position of the pedal and does not change the position of the master cylinder rod so the amount of travel required to get to the bite point from the top remains the same. Since the top (start) position moves, the bite point moves slightly up or down along with it by the same amount.
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1998 BMW 328is - summer
1992 Ford E250 Sportsmobile - daily
1993 BMW 525i - sold
1994 BMW 325i - sold
1992 BMW 325i - gone
1988 Mercedes Benz 190E 2.3-8V -
sold

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