Install Guides
Step-by-step install instructions for popular BMW and Toyota mods. Choose your vehicle below.
Professional installation recommended.
Precision-fit side skirt splitters
- Work on one side of vehicle at a time.
- Jack up vehicle and secure with jack stands to avoid injury.
- Remove 12x T30 torque screws under factory side skirt (per side)
- Remove factory side skirt from front to back pulling outward
- Place side skirt onto carbon skirt to confirm alignment & clamp down
- Drill self tapping bolts along to secure carbon splitter to factory skirt.
- Reinstall side skirt with carbon splitter back to vehicle in reverse order of removal.
Add aggressive styling to the rear of your F80 M3 or F82 M4
- Raise and support rear of vehicle on jack stands.
- Remove factory screws securing OEM rear diffuser & remove from vehicle.
- Secure new carbon fiber diffuser to vehicle and screw into existing holes.
- Install carbon under tray to vehicle using speed u nuts and bolts
- Apply 3M double side tape to side splitters and pre-align.
- Secure side splitters to sides with 3m adhesive tape & bolts.