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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 10-16-2006, 06:19 PM   #1 (permalink)
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1989 325i and no forward motion

STARMAVIN are you out there? This Bimmer suddenly decided not to move forward or aft. Shift lever moves freely though all gears (at lest it feels like it) with no grinding but there is norforward or aft motion. I suspected the slave cylinder, but the pedal pressure feels good (unless the rod is holding the cluchc fork in the disengaged position). She never chattered, just deciided to stop moving forward; so, disc, shifter rod disengaged, bad "U" joint, what do y'all think? (before I hoist her aft end and look to see if I have any drive shaft or CV shaft movement.)
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Old 10-16-2006, 08:34 PM   #2 (permalink)
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shift linkage check that first, sounds like something is disconnected...or the transmission is shot, but check the linkage first
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Old 10-16-2006, 11:13 PM   #3 (permalink)
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What do you hear when shifting? How freely does it move? Push it into first, hold it forward and try to move it to the right, will it go or no?
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Old 10-17-2006, 09:08 AM   #4 (permalink)
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Shifter feels good, moves properly and linkage looks good.The pedal pressure feels normal, any possibility the center spun free fom the disc? I am dropping the slave and taking a look at that and I have also ordered a new clutch package.
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Old 10-17-2006, 05:48 PM   #5 (permalink)
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Jack your car into the air so both rear tires are in the air and grab the drive shaft and see if you can spin it, the rear tires should spin as well. While it's up check your cv joints.
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Old 10-17-2006, 06:33 PM   #6 (permalink)
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She is up in the air and I am testing the shaft. Ever see a slave cylinder finger freeze so the clutch fork is constantly depressed (disengaged mode)?
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Old 10-17-2006, 07:46 PM   #7 (permalink)
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Yes, I've seen the hose go bad, the inner liner breaks and folds in acting like a one way valve. Unbolt the slave from the trans or open the bleeder and see.
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Old 10-17-2006, 08:45 PM   #8 (permalink)
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Thanks.
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Old 10-19-2006, 08:12 AM   #9 (permalink)
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Thanks for the help. After pulling the clutch it appears that there was so little friction material available on the disc that she literally exploded between shifts. Flywheel turned and new clutch in and all is well.
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Old 10-19-2006, 05:41 PM   #10 (permalink)
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That'll do it.
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