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M3 / M4 · Cosmetic
M3 / M4 Front lip Install Guide
Your M3 / M4
Pick your year to see what fits.
This page covers the US M3 / M4.
Lower, sharper nose
Medium$300–$9001–2 hrs
Why do it
A front lip makes the front of the car look lower and more aggressive.
Tools you'll need
- Jack and 2 jack stands
- Drill
- Socket set
- Jack and 2 jack stands
- Drill
- Socket set
Starting out? See our budget tool list.
Parts to buy
- CS style carbon lip (F80 M3) Listed for these years.Fits 2015–2018 · M3
- CS style carbon lip (F82 M4) Listed for these years.Fits 2015–2020 · M4
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Before you start
- Test fit before you drill anything.
- Test fit before you drill anything.
Steps
Remove the old trim
- Take off the lower bumper parts.
Fit the support
- Fit the lip support.
Fit the lip
- Bolt on the lip.
Remove the old trim
- Take off the lower bumper parts.
Fit the support
- Fit the lip support.
Fit the lip
- Bolt on the lip.
How to know it worked
- Lip sits even on both sides.
- Nothing rubs over bumps.
- Lip sits even on both sides.
- Nothing rubs over bumps.
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Safety first
- Park on flat ground, set the parking brake and chock the wheels.
- Never get under a car held up only by a jack. Use jack stands.
- Let the engine and exhaust cool first.
- Disconnect the battery before unplugging electrical parts.
- Wear safety glasses.
- If something doesn't match your car, stop and ask a shop.
Follow your part's instructions and your service manual's torque specs.