BMW Z3 Sill Removal and Protection

BMW Z3 Sill removal and protection
Article supplied by z3cade (Liam)

Jack up the car and place on axle stands
Remove wheels
Remove rear arch liner



Remove kick pannel trim and door rubber



Remove kick panel plastic plug



Remove kick panel by lifting up



You may brake some plastic clips so remove broken clips from holes



Remove front arch liner



Remove screw from front arch, top front of sill (use 10mm ratchet)



Remove three screws for the small side panel, detach side repeater and remove



Get a friend to help, but a good friend not a nutter…



Remove screws from under the sill



Remove screw from rear arch



Remove small plastic trim from inside door and remove bolts that hold rear arch to allow better access for the screw behind it



Remove final bolts from top of the sill that were under the kick panel and remove sill



Clean up box section and check for rust



Treat areas with rust with your prefered products



I used zinc 182 primer, clear Waxoyl spray for inside box sections and original Waxoyl underseal



Treated rear box section



Treated front box section



Sand down any rust found on the sill and treat with your desired products





Now just reverse the removal process and replace the sill, Job done