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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Tue, Jan-31-2017, 04:07:48 PM   #1
nholmes
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Question ZF320 Detent Pin Question and AKG DSSR

Hey all!


So, I recently replaced the detent pins in my 5 speed including 5th and Reverse but I'm unable to shift into 1st or 2nd.

I'm also getting some crazy notchiness when shifting into and out of reverse.

It takes a lot of work to get it into Reverse and when I attempt to take it out of reverse, it snaps out of the gate.

I'm wondering if my AKG DSSR is part of the problem or if I ****ed up and managed to put the pin in facing the wrong direction or something.

I verified my shifter isn't hitting anything under the car and all the other gears 3-5 feel and work normally.

I used both of these as guides when doing this DIY:

http://webspace.ringling.edu/~dplass...ins.html#step4

http://www.m3forum.net/m3forum/showthread.php?t=398477

Any thoughts?
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Last edited by nholmes; Tue, Feb-14-2017 at 12:33:22 AM. Reason: Clarity
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Old Tue, Jan-31-2017, 04:32:19 PM   #2
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Default Re: ZF320 Detent Pin Question

Added some video to show the problem:


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Old Tue, Jan-31-2017, 07:21:41 PM   #3
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Default Re: ZF320 Detent Pin Question

The instructions above specifically state:

Quote:
Orient the ramp on the reverse gear pin towards the bottom of the transmission and insert the pin (BMW 23311224849) into the upper pin bushing (fig. 07-01). The reverse gear pin is easily identified by its flat ramp.
I believe I followed this, but maybe the pin rotated in the transmission somehow and it's causing this strange notchiness?
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Old Tue, Jan-31-2017, 07:37:03 PM   #4
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Default Re: ZF320 Detent Pin Question

You're sure it is not that spring loaded shifter you installed?
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Old Tue, Jan-31-2017, 07:40:22 PM   #5
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Default Re: ZF320 Detent Pin Question

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You're sure it is not that spring loaded shifter you installed?
I know, right?!

I'm going to disconnect the DSSR tonight to verify, but I've been in touch with RTD and they're telling me they've never had one of their shifters do that.
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Old Tue, Jan-31-2017, 08:47:27 PM   #6
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Default Re: ZF320 Detent Pin Question

Reverse normally takes fairly heavy effort to engage, and it will snap out of reverse with moderate force as well. I'm not familiar with that DSSR, but if it's spring loaded, I'd say that accounts for any added force you're experiencing.
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Old Tue, Jan-31-2017, 08:48:30 PM   #7
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Default Re: ZF320 Detent Pin Question

It's an AKG DSSR, but sadly I haven't experienced one in an otherwise OEM car - so I don't know how it's "supposed" to feel.
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Old Tue, Jan-31-2017, 08:59:40 PM   #8
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Default Re: ZF320 Detent Pin Question

Quote:
Originally Posted by nholmes View Post
It's an AKG DSSR, but sadly I haven't experienced one in an otherwise OEM car - so I don't know how it's "supposed" to feel.
Is it spring loaded?
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Old Tue, Jan-31-2017, 09:17:55 PM   #9
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Default Re: ZF320 Detent Pin Question

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Originally Posted by fiveightandten View Post
Is it spring loaded?
The shifter is, but it's only popping with that loud clunk when getting into and out of Reverse.

1-5 is perfect.
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Old Tue, Jan-31-2017, 09:25:56 PM   #10
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Default Re: ZF320 Detent Pin Question

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Originally Posted by nholmes View Post
The shifter is, but it's only popping with that loud clunk when getting into and out of Reverse.

1-5 is perfect.
I would say that, coupled with the new detent spring, is what you're experiencing.
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Discussing ZF320 Detent Pin Question in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)