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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 Fri, Feb-10-2017, 04:59:39 PM   #41
nholmes
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Default Re: ZF320 Detent Pin Question

mpwrcpe any updates on your end?
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Old Fri, Feb-10-2017, 05:31:27 PM   #42
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Default Re: ZF320 Detent Pin Question

Well, BMW Motorsport golf ball shift knobs fit, that's my only update LOL.

Seriously, going to do it tonight probably so I'll update ASAP.
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Old Sat, Feb-11-2017, 02:25:40 PM   #43
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Default Re: ZF320 Detent Pin Question and AKG DSSR

Ok, got it installed and had no issues at all, other than I don't like the height for a car that is still street driven. So I took it out and the AKG went back in.

One thing to note, the bottom of the shift lever on the RTD is 21 MM wide, and the AKG DSSR is 20.5 MM wide. There is .5 MM of interference, or roughly .020". I did mill the RTD lever to slip into the AKG DSSR.

So, you hammered 2 parts together that have a .5 MM interference fit. Something somewhere has to be damaged from that is my guess.

My RTD will be for sale soon.
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Old Sat, Feb-11-2017, 06:15:19 PM   #44
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Default Re: ZF320 Detent Pin Question and AKG DSSR

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Originally Posted by mpwrcpe View Post
Ok, got it installed and had no issues at all, other than I don't like the height for a car that is still street driven. So I took it out and the AKG went back in.

One thing to note, the bottom of the shift lever on the RTD is 21 MM wide, and the AKG DSSR is 20.5 MM wide. There is .5 MM of interference, or roughly .020". I did mill the RTD lever to slip into the AKG DSSR.

So, you hammered 2 parts together that have a .5 MM interference fit. Something somewhere has to be damaged from that is my guess.

My RTD will be for sale soon.
Good luck with your sale!

Thank you for the data, I appreciate it!

Going to wait and drive it then if it doesn't fix itself, I'll pull the DSSR and remove some material.
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Old Sun, Feb-12-2017, 01:26:28 AM   #45
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Default Re: ZF320 Detent Pin Question

So I just removed the AKG DSSR to eliminate variables.
Shifter moved freely and without issue.
I reinstalled the OEM SSR and the issues still persist.

I'm inclined to think I did something wrong with my pin install.

I'll be able to test drive the car on 2/25. If the issue doesn't resolve after a drive or two, I'm dropping the transmission and pulling the R pin and the selector rod.
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Old Mon, Feb-13-2017, 01:23:24 PM   #46
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Default Re: ZF320 Detent Pin Question

theres not much you can mess up with the pin install. ill try and get a video of mine sometime today
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Old Mon, Feb-13-2017, 02:31:01 PM   #47
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Default Re: ZF320 Detent Pin Question

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theres not much you can mess up with the pin install. ill try and get a video of mine sometime today
This is why I'm totally confused. It was such a straight forward job, I can't really understand why the transmission is now not shifting correctly.
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Old Mon, Feb-13-2017, 08:26:43 PM   #48
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Default Re: ZF320 Detent Pin Question

just realized i did detents on my old car lol i still need to do them on my current car. honestly you just need to drive it and let it settle back in. those shift springs weaken over time which is why it feels "crisp" with new ones. Mine was notchy as all hell at first but after awhile started to loosen back up.
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Old Mon, Feb-13-2017, 11:02:03 PM   #49
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Default Re: ZF320 Detent Pin Question

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Originally Posted by englishtom1596q View Post
just realized i did detents on my old car lol i still need to do them on my current car. honestly you just need to drive it and let it settle back in. those shift springs weaken over time which is why it feels "crisp" with new ones. Mine was notchy as all hell at first but after awhile started to loosen back up.
I agree that the parts break in.


OEM spec means being able to get it into 1-2 though.

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Old Tue, Feb-14-2017, 04:19:37 PM   #50
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Default Re: ZF320 Detent Pin Question

For shits and giggles we put the OEM shifter back in the car.

Same issue.

Good news is I've got a loaner transmission:



This will buy me time to get my existing trans on the bench so I can start pulling out the detents to see what's going on.
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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)