Quote:
Originally Posted by aerof16
So it appears Brembo is the OEM supplier for the front brakes and they will sell them directly to the customer on their website for a pretty decent price.
This is where it gets weird - the rear brake supplier for the 540i looks like TRW, however they will not sell the rotors directly to the customer. Brembo has a rotor for the rear that is 345 x 24 and say they will fit a 2018 M550i Xdrive but will not fit a 2017 BMW 540i w/ the M sport caliper.
Aren't the 540i and M550i M sport brakes exactly the same?
Also, for the rear Brembo rotor, their tech drawing says 22.4 mm for min thickness. I'll have to pull a rear wheel of tomorrow and see if the min thickness is stamped on the rotor hat.
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The brake calipers are the same, but the rears changed between preLCI and LCI cars. Pre LCI had 345mm rear rotors, LCI has 370mm rear rotors. The calipers and pads are the same, the caliper carriers are different. Both Msport and non Msport rear rotors are 345mm (preLCI) and 370mm (LCI).