BMW F80 M3 / F82 F83 M4 Rear Bumper Diffuser, Gloss Black ABS
Available in stock (20)
Gloss Black ABS Rear Bumper Diffuser for BMW M3 and M4
Add a defined lower edge to the rear bumper with this gloss black ABS diffuser. It is a rear-bumper exterior part, not carbon fiber; the original tags contain carbon-related search terms that do not change the specified material.
Listed fitment
- BMW F80 M3 Base Sedan, 4-door: 2015–2018.
- BMW F82 M4 Base Coupe, 2-door: 2015–2019.
- BMW F83 M4 Base Convertible, 2-door: 2015–2019.
- BMW F82 M4 GTS Coupe: 2016; BMW F82 M4 CS Coupe: 2018–2019, as listed in the original fitment. Verify the precise bumper design and exhaust cutouts on these special editions before ordering.
- The broad 2015–2019 range in the original title does not extend the listed F80 M3 fitment to 2019. Fitment for other M3/M4 generations and aftermarket bumpers is not established.
Material and finish
- Material: ABS plastic, as specified in the original description.
- Surface: gloss black.
- Position: lower rear bumper. Check the product photos for shape, exhaust outlets and any required clearance.
Installation notes
Self-tapping screws are listed as included. Test-fit the diffuser and verify mounting points before fastening; these screws may require drilling, so no-drill installation is not guaranteed. Professional installation is recommended if the bumper needs modification or the exhaust clearance is uncertain.
Frequently asked questions
Is this carbon fiber? No. The listed material is gloss black ABS.
Does it increase downforce or reduce fuel use? No test data is supplied to substantiate those claims.
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Stephanie L.
Ordered the BMW front bumper fog light grille and the fitment was absolutely perfect. Gloss black finish looks factory-fresh and the quality is outstanding. Installation took about 30 minutes — no drilling required. Highly recommend AlchemyRide!
Marcus R.
Fast shipping, great packaging, and the part arrived in perfect condition. The grille fits my F23 like a glove — exactly as described. Customer service was also super responsive when I had a fitment question. Will definitely order again.
David K.
I've bought aftermarket parts from many stores but AlchemyRide stands out for quality and value. The part was well-made, fit perfectly, and the price was very competitive. My BMW looks aggressive and clean — exactly what I wanted.
Jenny T.
Excellent product and super easy to install. The gloss black finish matches my M Sport bumpers perfectly. Shipping was faster than expected and the part was well-packaged. Very happy with my purchase — my car looks completely transformed!