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      05-05-2015, 02:58 PM   #44
nuebbes
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Drives: Z4 35i e89 + 125i e88
Join Date: Jan 2013
Location: Cologne, Germany

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Quote:
Originally Posted by mathieucgn View Post
i have a set of non painted f30 335i 340 mm front calipers unpainted but no discs.
I want to install these on my z35is with 348 mm stock rotors, did anyone try this setup ?

will the 348mm disc fit with the calipers designes for the 340 mm f30 ?
Never tried this or heart that someone else tried this before.
Theoretically it could fit and it would be a very good idea. Both discs have 30 mm thickness.
It is depending on two points:

1. the clearance between the 340 mm caliper cut expander spring or other parts of the caliper and the 340 mm rotor in combination with the position of the brake pads at the oem setup.

2. The depth of the pot of the rotor must be the same at the 340x30 mm rotor and the 348x30 mm rotor. Otherwise the disc and the caliper wouldn't be centered.

But if you already own the calipers, why don't you test-fit these? Should be done in 30 mins. max..
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