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walterj 1990 E30 of Doom updates:
New rear calipers Mar 30, 2010

The car has the rear out of an M Coupe… which are a single piston caliper floating design with rubber seals that practically require seasonal rebuilding. It also makes decent race pads a $220 problem.

So… Wilwood makes some nice fixed, multi-piston, full race calipers that have good full race pad selection in the $75 range to go with. The problem… how to fit them? Well… I have a welder and a pile of scrap 1/4” steel. It took a little time to get it positioned correctly but…. done.