Project E36 323is: Building the Poor Man’s M3, Part 3 – Brakes, Wheels, Tires

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We opted to upgrade our rear rotors, too.  These StopTech Sport rotors (formerly Powerslot) have the same benefits as the fronts, including the e-coated hats, so no worries about corrosion out back either.
 
 
Howard Watanabe from Technosquare double checking the instructions.  Brakes are pretty much the most important safety feature on a car, so you really can't be too careful.
 
 
It seems safe to say that the new StopTech rotors are slightly bigger than the OE units.  It's also safe to assume that the old rotors didn't have the fancy e-coating.
 
 
After removal of the factory system, the first step is installing the new caliper brackets so that we have something on which to mount our new ST-41 calipers.
 
 
Some thorough cleaning of the wheel hub and Howard is able to mate the new rotor up with a perfect fit.
 

 

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