Quote:
Originally Posted by mlhj83
Thanks. Just concerned due to what BimmerWorld has said regarding these discs:
"Some aftermarket and OEM brake pad manufacturers have a taller profile than Performance Friction pads. We have noticed these types of taller profile pads becoming too close to the bottom of the friction area of the disc and can create a stress riser causing premature fatigue of the disc. When cold, there must be 2mm of space between the bottom of the pad and the bottom of the friction disc where the fingers meet the friction area. As the rotor gets hot and expands this space will diminish. To reduce the chance of this issue arising, we suggest only using Performance Friction pads with Direct Drive rotors."
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That is certainly a possibility and I have seen that with even BBK's with pads other than the manufacturers causing issues.
The best way is to compare the pad shape with PFC to make sure they are the same and not taller.