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1-4 DAYS DELIVERY
100% ORIGINAL & HIGH-QUALITY
1-YEAR WARRANTY
Shop premium parts to enhance your vehicle's performance, style, and customization with high-quality upgrades. This KNF Style Rear Diffuser with LED light transforms the rear profile of your M3 or M4 with bold, track-inspired detail.
Crafted from durable carbon fibre, it enhances aerodynamic flow and brings an aggressive look that stands out day and night thanks to the integrated LED light.
Fitment: 2014–2020 BMW M3 F80 / M4 F82
Package Contents:
One Rear Diffuser with LED Light
United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.
Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.
@dumpspec:
“I had to get a few parts installed from them and I'm very impressed with their team! Great attention to detail and I never had any problems with their install.”
@thicwhips:
“For me personally these headlights are 100% worth the cost and the time that it takes to get them done. It completely changed and modernized the front end.”
@kokpwr:
“They provide detailed step by step instructions that's easy to understand. Really appreciate the thoroughness.”
@DJ_dub:
“Ordering was easy and the process was really simple. My RGB color changing DTM rings were perfect for my show car build and exactly what I needed.”
@sirrealbuilds:
“The original OEM chromed out headlights just wasn't cutting it. The BayOptiks Vision retrofit completely changed my front end and I'm loving it.”
@smurf_f82:
“I had my OEM Ikon headlights custom blacked out with CSL Yellow DRLs and the outcome was exactly what I needed to complete my build.”
