gregl342 said:I've done this on my Z4M although before I had the M I originally looked at doing it on my 3.0si.
It should be bolt on using these brackets with CSL discs:
https://www.ebay.co.uk/itm/254056894907
Will depend on condition, but I paid £1000 for a 4 wheel set...although they did need a new bleed nipple and hose as one of each was seeping.BTZ461 said:Whats a set of the Porsche calipers worth?