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and the necessary mounting hardware for your BMW
Pictured is zinc-plated
Brand: Rein
While your original R12 lines can be used
It is waterproof
BMW E30 Rear Brake Caliper Piston *Price Per Piston* new arrival and the necessary mounting hardwareSeal kit sold separately. Click Here These caliper pistons for E30 325e 325i rear calipers are an excellent addition to your caliper rebuild. Brake fluid absorbs moisture, which sits against your steel calipers and original pistons. It's quite common to find rust inside the caliper bores. Often it's the rust that binds or freezes a caliper, requiring a piston and seal replacement. Your caliper may only need a good scrubbing to be returned to service.