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
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