Quote:
Originally Posted by Lewis@MWDesign
Guys: many of you have expressed concerns about the electronic ebrake affecting a rear caliper replacement. After meetings with both Brembo and Stoptech the answer is, there is no effect. The mechanism is still the same as a traditional hand brake, except the way the ebrake is engaged is different.
The e70 X5 uses the same electronic ebrake mechanism but we have successfully installed a full front/rear Brembo BBK setup onto the vehicle.
The only issue now is which rear bbk will fit the Z4 rear brakes. Tried reverse lookup to see if any of the Z4 rear brake components are used in existing BMW models, no luck.
Hope this help clarifies things a little.
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Some suggestion from Thai engineer: We need a second caliper for the rear brake for the BBK and leave the stock caliper act as e-hand brake only (painted in black) so the new BBK will show off. But I don't have guts to do according to what he suggested