M3 Rear Subframe Bushings

The 135i was at Ace Performance Tuning yesterday having the stock rear subframe bushings replaced with BMW Motorsport M3 bushings. These bushings are much stiffer than the stock ones and should dramatically improve the 135i’s responsiveness and handling. (The image here shows 2, but we had all 4 replaced.)

I had been contemplating doing this work myself, but cannot explain how happy I am that we took it to ACE instead. They of course have a lift, which is a big help, and their tech was able to finish the work much faster than I would have. Special thanks to Hp Autowerks for the bushing tool rental.


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