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Old 05-24-2017, 03:17 PM   #1
Join Date: Nov 2013
Location: NY
Posts: 59
s50 clutch issue

Hi r3v,

My pedal box recently broke in my s50 swapped '87 325is, and I changed out the clutch master cylinder at that time. I didn't swap the slave, but I have one on hand. It took a long time being very careful to bleed the system, but finally the clutch got back to normal.

Fast forward, it's been about a month and suddenly my clutch pedal does not like to return all the way up. If I pull the pedal up, it stays there, but with use, keeps dropping lower. I don't seem to have any leaks, but now I have a bigger issue. My clutch slips at WOT in 5th at low rpms. I wouldn't think air in the system would cause that, and my fluid level is fine. Is the slave failing internally or something??
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Old 06-12-2017, 08:20 AM   #2
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Join Date: Sep 2011
Location: Pennsylvania
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I would re-bleed and try again. If its not returning, that should be air in the line.

As far as the clutch slipping, it could be with the slave not disengaging fully.
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Old 06-14-2017, 07:51 AM   #3
Join Date: Nov 2013
Location: NY
Posts: 59
Sorry - meant to update earlier. The slave blew and shot fluid onto the clutch. I replaced the slave and the clutch and now all is back to normal. Very frustrating to have an easily replaced $25 part cause "major" work like the clutch. That's life I guess haha
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