Quote:
Originally Posted by Suprgnat
Stock 128i rear calipers are part numbers 34216768693/34216768694 and have 40 mm pistons.
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Oh okay, in your post listing the 34216768697 showed it was part of the E82.
Quote:
Originally Posted by Suprgnat
34216768697/34216768698 from the 328i are an upgrade to the 128i because they have 42 mm pistons.
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Gotcha, that makes sense. Now to decide between this upgrade or upgrading to the 130i hubs and 135i rear brakes.