BMW Manual Trans Selector Rod (Double Shear) (109mm) - UUC Motorwerks DSSR109
Manual Trans Selector Rod (Double Shear) (109mm) by UUC Motorwerks
One significant wear area that has never been addressed previously is the wear and ovalization of the linkage connection points at the transmission and the shifter's lower pivot. In the original BMW design, the connection at both ends has a large injection-molded plastic bushing. The design of the selector rod has a pin at 90 degrees to the main rod, which exerts a tremendous amount of leveraged force on the selector joint bushing from one side (known as a single shear force). The result is a steady deformation of the bushing, resulting in looseness and slop in the entire mechanism.
The looseness and slop are magnified by the leverage-multiplication effect of the shift lever itself. The result is an in-gear shifter "free play" of 3/4" and up to 1" in either direction, over 35mm total.
To permanently fix this, a change in the fundamental design of the pivot is required, changing the assembly to a double shear system with the UUC Double Shear Selector Rod (DSSR). The DSSR redistributes the torsional forces from the pin/bushing interface to the complete face area on both sides of the selector joint. By taking advantage of the strength of steel in the DSSR and the body of the joint, the problem of deformation is eliminated and the movement of the selector rod correlates directly to movement of the selector joint - the only "free play" movement remaining in the shifter assembly is from within the transmission itself. In-gear "free play" is reduced to approximately 10mm total when used with a UUC EVO3 shifter.
The DSSR is compatible with all brand shifters, whether original BMW or aftermarket.
Front M3 Evolution 6-speed or and E36 3-series retrofitted with Evolution 6-speed or E46 M3 6-speed transmission
Country of Manufacture: United States
Manufacture Quality: Performance
Shipping Weight (lbs): 0.225
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About UUC Motorwerks
UUC Motorwerks was started in 1998 by a group of motorsport enthusiasts. These performance minded people had the desire to produce street upgrades and race components that would be of the highest quality available.
"When we see the need for a part, it's because the offerings in the marketplace are simply not good enough. If we can make it better, we'll make it. If we make it, it will be the best. That's our design and manufacturing philosophy here at UUC Motorwerks. ...If you ever get these kinds of questions: 'Why do you need new wheels when the old ones are fine? Why do you need new suspension if the current ones aren't worn out? Isn't your current car fast enough?' - we empathize with you." - UUC Motorwerks
UUC is committed to feeding your automotive addiction. eEuroparts.com is proud to offer these quality products to our Motorsport enthusiast customer base.
If this is not the exact Manual Trans Selector Rod (Double Shear) (109mm) you are looking for, or you would like this part in a brand other than UUC Motorwerks, please call us at (800) 467-9769 and one of our customer service experts will help you locate the exact part you need.
Vehicle Fitment & Notes
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eEuroparts.com® is pleased to offer a one (1) year warranty on all parts. Your Manual Trans Selector Rod (Double Shear) (109mm) may be exchanged if it is defective within 365 days of your original purchase date. Warranty parts are only eligible for an exchange. No cash refunds will be issued for previously installed parts.
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This information is only a summary. Complete shipping and return policy information can be found in our web site policies.