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E36/7 Z3 (1996-2002)
E36/7 Z3 Roadster, Z3 coupe, Z3 M Roadster and Z3 M Coupe talk with our gurus here.

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  #1  
Old 12-03-2011, 02:47 PM
mikebhouston mikebhouston is offline
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Location: Texas
 
Join Date: Dec 2011
Posts: 6
Mein Auto: Z3M Roadster
Exclamation 2nd gear randomly pops out after it's engaged...loudly! Z3

So i've only had the car for about 3 months but this has happened a handful of times. I'll shift from 1st to 2nd and with a load bang, the shifter throws itself back into neutral! It's a startling experience, makes you feel like the transmission just exploded, lol. But then I'll firmly shift back into 2nd and all is good.

Afterwards I always think maybe I didn't shift it fully seated into 2nd gear. But I've never had this problem on any other car. I read this post...

http://forum.roadfly.com/threads/756...ing-Out-of-2nd

...and it perfectly describes the experience. This is 2000 M Roadster 5 speed with about 110,000 miles. I have not taken it to the dealer. I was thinking of changing the manual transmission oil and see if that helps.

Last edited by mikebhouston; 12-03-2011 at 03:08 PM. Reason: couldn't edit the post title to insert Z3
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  #2  
Old 12-03-2011, 06:33 PM
FredR FredR is offline
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Location: Colmesneil, Texas
 
Join Date: May 2002
Posts: 406
Mein Auto: 96 BMW Z3, 97 BMW M3
You might also consider.....

Looking at the transmission mounts and the shift linkage. BMWs have a problem with transmission movement which can cause missed shift. There are also parts in the shift linkage that were out.
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  #3  
Old 09-16-2016, 08:12 AM
Kitastoeger Kitastoeger is offline
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Location: USA
 
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Posts: 4
Mein Auto: BMW
My '98 M3 pops out of second occasionally. Never a problem getting into gear. I replaced the bushings a couple of years ago. What causes this?
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  #4  
Old 09-16-2016, 11:52 AM
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thekurgan thekurgan is offline
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Location: Sacramento, CA
 
Join Date: Jul 2007
Posts: 6,329
Mein Auto: S62B50 Powered
Engine mounts, transmission mounts, shift linkage wear, as well as high internal wear can cause this issue.
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  #5  
Old 09-16-2016, 06:07 PM
Kitastoeger Kitastoeger is offline
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So it could be a lot of things...
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  #6  
Old 09-18-2016, 09:56 AM
bmwz3guy bmwz3guy is offline
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Location: VA
 
Join Date: Nov 2013
Posts: 12
Mein Auto: 2011 328xi, 1996 Z3
Trans popping out of gear

My 1996 Z3 had a similar problem a bunch of years ago with 1st gear popping out to neutral. Turns out there is a Technical Service Bulletin on this specific problem and a secret recall to fix it. A guide sleeve inside the transmission was machined incorrectly at the factory and BMW replaced the manual trans after a lot of screaming and swearing on my part. Cost me about $600 for labor to install a BMW rebuilt trans. Unfortunately I bought the car used from a Mercedes dealer (not BMW-Certified Pre-Owned) and the car was well out of the factory warranty period. Had it been CPO, BMW said it would have replaced the trans for free. Like I said earlier, a lot of jumping up and down and swearing got them to at least replace the trans.

BTW - a local BMW dealer could not identify the problem so I took it to a highly reputable BMW repair shop who spent more than 2 hours diagnosing and researching the problem. That shop apologized for charging me $150 and recommending I take it back to the dealer given the TSB on the problem.
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  #7  
Old 09-18-2016, 11:24 AM
Kitastoeger Kitastoeger is offline
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Do you have a link?
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  #8  
Old 09-19-2016, 04:28 AM
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vintage42 vintage42 is online now
BMW CCA 1405
Location: Louisville, KY
 
Join Date: Jun 2007
Posts: 3,426
Mein Auto: 1997 BMW Z3 1.9 5MT
Quote:
Originally Posted by bmwz3guy View Post
My 1996 Z3 had a similar problem a bunch of years ago with 1st gear popping out to neutral. Turns out there is a Technical Service Bulletin on this specific problem and a secret recall to fix it. A guide sleeve inside the transmission was machined incorrectly at the factory...
Quote:
Originally Posted by Kitastoeger View Post
Do you have a link?
He has a '96 1.9 with a Getrag transmission and you have a '98 M3 (not a Z) with a ZF transmission. I doubt if the problem is the same.
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