MRT Engineering Roll-centre and Bumpsteer Correction Kit E30, E36 and Z3 chassis’, including M models (excludes E30 M3). These are vital for correcting the front suspension geometry on lowered examples.

20mm of roll-centre and bumpsteer correction +/-5mm adjustability on bumpsteer. This kit retains original ackermann angle making it perfect for track/race use (non-drift). MRT-20003-1W fits all control arms with 41mm outer bore, whilst MRT-20003-2W  fits control arms with a 48.5mm outer bore. E30s must use E36 inner tie rods.

Kit includes full instructions and all hardware.

Please see below for minimum internal wheel diameter required to run these kits.