And the next little curve. These are prototype electric 4 pot rear handbrake callipers . 4x28mm pistons and 140mm centre radial mount so a direct swap for my existing rear mechanical handbrake callipers. And the snag: no controller and the VAG one is a non starter as it is integrated into the ABS , so transplanting one of those into an R32 would be , err, tricky . Plan ‘b’ is to develop one form an aftermarket controller . Watch this space .