2014-2020 BMW 4-Series M Performance Style Carbon Fiber Rear Diffuser | F32/F33/F36

*Please email us any special requests*

Bring out the aggressive rear-end styling your 435i was meant to have with our M Performance Style Carbon Fiber Rear Diffuser. Designed for the F32, F33, and F36 BMW 4-Series with M Sport bumpers, this upgrade instantly sharpens your rear profile with a motorsport-inspired finish.

Crafted from premium carbon fiber and finished in a high-gloss clear coat, this diffuser doesn’t just look the part - it’s lightweight, durable, and designed for a direct fit with no modifications needed.

Whether you're chasing the full M look or simply want to elevate your factory styling, this diffuser delivers clean lines, added depth, and premium fitment without the dealer markup.

We have been working months to get the best Carbon Fiber Rear Diffusers from our supplier. Don't waste $900-$1000 and save today with ours! 

Specs

• Fits: 2014 2015 2016 2017 2018 2019 2020 F32/F33/F36 BMW 418i 420i 428i 430i 435i 440i 418d 420d 425d 430d 435d (M Sport Models Only)
• Material: Real Carbon Fiber
• Carbon Fiber: 2x2 Carbon Fiber Weave
• Glossy UV Protectant Clear Coat
• Professional Installation Required (Bolts & 3M Tape Included)

Shipping

• FREE SHIPPING
• 5-8 Days Depending on Location
• We ship all of our products through UPS
• Orders will ship within 1-2 business days after payment is received. Orders from Saturdays, Sundays, or holidays will process on the next business day and will be shipped within 24 hours

We always recommend Professional Installation. 

German Car Accessories shipping & returns

• Shipping: orders typically ship within 1-2 business days; any lead time is stated on the product page.
• Returns: within 30 days of delivery, unused, in the same condition and original packaging with all contents. Installed parts and special-order items cannot be returned. Returns are handled case by case (arrived damaged, wrong item ordered, etc.).
• Shipping costs are non-refundable. Customers pay import duties and taxes on international orders.

To start a return or ask a question, contact us with your order number.