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Introducing the Garagistic 147mm DSSR for your M30-powered E28, E24, E12, or E23. This DSSR is meant for BMW models that have the selector rod part number 25111220539. This selector rod was found in M30 (big six) powered cars in your E12, E28, E24, or even E23. That means 535is, 735i, and 635csi cars, Please check that this is the correct part number found in your car before ordering.
It's a really good idea to change your transmission fluid while you are down there. We recommend this fluid: https://amzn.to/41KYOnn . One of these is also helpful when your doing it: https://amzn.to/3KMKtzS
Got a setup that's a little different than OEM? You could always get the "Weld it yourself" Dssr found here.
It stands for double shear selector rod. A DSSR will spread the torsional force on both sides of the selector rod instead of the OEM piece which connects from one side only. Based on the concept of the E30 M3 DTM cars of legend! DSSR setups mean less play in the shifter, (decreases side-to-side motion). This means a more precise and smooth shift every time. Now to the details.
Our DSSR is made of stainless steel and then tig welded right here in our shop in Westminster CA, USA.
Please note this MUST be used with BMW selector joint part# 25117503525 (8/89 Forward)
Step 1: With a flat head screwdriver remove the locking clip by pushing on the inside lip of the clip to slide it off the selector rod on the shifter side on selector joint side.
Step 2: Wiggle and pull the selector rod until its free on both ends. Pay attention to the bends of the selector rod and how it came off as it will be your guide on how to install the DSSR in the proper direction.
Step 3: Grab your Garagistic DSSR and starting with the selector joint side first line up the holes on the DSSR with the selector joint. It should be a tight fit but if it's too tight open the tabs a bit till you achieve proper fitment. Once aligned slide the provided pins in with a washer on each side followed by the c-clip to lock it in. Repeat on the shifter side.
Notice: If you upgraded to a Z3 shifter you will have to shave down the sides of the shifter for the DSSR to fit
This instructional guide is intended to provide general information only. We recommend a professional automotive technician install any of our products. In no event shall Garagistic be liable for any special, direct, indirect, consequential, incidental injuries or damages whatsoever.