Hey guys,
I've been experiencing this weird resistance engaging 5th. At speeds below 60 mph, I can row between gears freely. Each gear slots in with the same notchiness/effort.
What I've been noticing is that accelerating under load above 60 mph, rowing from 4th to 5th is noticeably more difficult. It feels like I have to row through molasses or quick sand instead of just 'clicking' into gear. For lack of better word, the shifter feels abnormally heavy throwing from 4th to 5th. If I am just shifting into 5th at a steady speed, this rarely happens. This does seem temperature dependent. I've only noticed this symptom when the car was warm.
I am not sure if this is a detent pin issue. The shifter does not lean at all, and it self centers very well.
Car currently has:
125k miles
RE SSK
UUC DSSR
New Selector rod joint
New Selector shaft seal
New Tranny Fluid (Redline MTL)
Any input appreciated! Hope my ZF isn't on its way out
Check your motor mounts and transmission mounts. If it is an under load condition, there is a good chance that the mounts are worn and are allowing the motor and trans to torque over causing the shifter linkage to bind.
How old is your UUC DSSR? The bushings in mine wore out over time...
Estoril/Modena '97 M3...sold for the second time.
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Which part of the shifting does the resistance occur? Is during the side-to-side "horizontal" motion? Or during the forward-and-back "vertical" motion?
A vertical resistance would suggest a synchronizer, and a horizontal one would suggest a shifter or mount issue.
I also have resistance going into 5th if I am coming off of hard load in 4th gear (ie full throttle 4k RPM or higher). No resistance getting to the gear, just once I push into the gate, it only goes about half way in until I feel resistance, and have to push harder to make sure it's all the way in. I have more or less new motor mounts and tranny mounts, and have been told it may be my 5th gear transmission detent. I'll get around to replacing those sometime in the next 10 years, and if I do I'll let you know if it fixes it :P.
I just drive with it since I rarely need to go from full throttle high RPMs from 4th to 5th, even at the track. But if you figure out what the issue is and it's not the detent, I would be very interested in knowing!
Good luck!
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I'm still having trouble understanding these reports:
Is the resistance going from the neutral position that is between 4th and 3rd gear that you go through to get to the neutral position that is next to 5th gear? Or is it from the neutral position that is next to 5th gear going in to 5th gear?
In my 1997 M3, my resistance is going through the gate to get to 5th. Once you start to move up into 5th, it moves smoothly.
Trans fluid?
Mines full of Redline.
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