Give your 4 Series the aggressive rear profile it deserves with the Suvneer M-Tech Style Diffuser.
For vehicles with M-Sport rear bumper.
- Brand:
-
- ES#:
- 5437796
- Mfg#:
-
F32MTDIFF435
$75.00 USD
Lifetime Replacement
The perfect addition to the stock M Sport rear bumper.
For Pre-LCI vehicles only (production date up to 07/2022)
- Brand:
-
- ES#:
- 4017300
- Mfg#:
-
3108-32011
$2295.00 USD
Free Shipping
Lifetime Replacement
Make your M5's rear end look even more aggressive!
For Vehicles with 3D Design Rear Diffuser
- Brand:
-
- ES#:
- 4446004
- Mfg#:
-
3106-29011
$1575.00 USD
Free Shipping
Lifetime Replacement
Make your X3 M's rear end look even more aggressive!
- Brand:
-
- ES#:
- 4446059
- Mfg#:
-
3108-29711
$2695.00 USD
Free Shipping
Lifetime Replacement
High quality 2x2 pre-preg Carbon Fiber construction for peak performance and sleek aesthetics.
- Brand:
-
- ES#:
- 4759292
- Mfg#:
-
3108-38712
$1995.00 USD
Free Shipping
Make your G20's rear end look even more aggressive!
For Vehicles Equipped with the M-Performance Aerodynamics Kit (S715A)
- Brand:
-
- ES#:
- 4446162
- Mfg#:
-
3108-32021
$2295.00 USD
Free Shipping
Lifetime Replacement
Gloss Carbon Finish - shows off the Akrapovic tailpipes to their full extent and is a perfect accompaniment to the exhaust suite.
- Brand:
-
- ES#:
- 4415244
- Mfg#:
-
DI-BM/CA/9/G
$2328.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Upgrade your M5's styling with Alpha-N's carbon rear diffuser!
- Brand:
-
Alpha-N
- ES#:
- 4872193
- Mfg#:
-
AN-0904
$1895.00 USD
Free Shipping
Upgrade to Alpha-N's Carbon Fiber G87 Diffuser!
- Brand:
-
Alpha-N
- ES#:
- 4766506
- Mfg#:
-
AN-0319
Upgrade your M5's styling with Alpha-N's carbon rear diffuser!
- Brand:
-
Alpha-N
- ES#:
- 4872194
- Mfg#:
-
AN-0906
$2125.00 USD
Free Shipping
Upgrade to Alpha-N's Carbon Fiber Rear Diffuser Undertray!
- Brand:
-
Alpha-N
- ES#:
- 4766491
- Mfg#:
-
AN-0634
Add and agressive look to your cars body with these premium extensions from ECS.
10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with M-sport or M5 package only
- Brand:
-
- ES#:
- 3509663
- Mfg#:
-
011818ECS04
ON SALE!
SAVE 10%
$449.99
This product was last offered at the strikethrough price on
06-13-2026
$404.99 USD
Lifetime Replacement
Designed to resemble the M-Performance line!
For Pre-LCI vehicles only (production date up to 07/2022)
- Brand:
-
- ES#:
- 4490494
- Mfg#:
-
G20PDIFF340-MB
$125.00 USD
Lifetime Replacement
Complete the aggressive look of your BMW with a bespoke carbon fiber rear diffuser!
- Brand:
-
- ES#:
- 4508953
- Mfg#:
-
VR-G80M-610
$1095.00 USD
Lifetime Replacement
In full carbon fiber, the fins extend beyond the rear bumper, providing race-inspired enhancements which directly replace the OEM lower diffuser.
- Brand:
-
- ES#:
- 4625741
- Mfg#:
-
BMV8050
$2495.00 USD
Lifetime Replacement
Give your BMW more aggressive looks with an individual style!
- Brand:
-
- ES#:
- 3427023
- Mfg#:
-
6001BMV
$1895.00 USD
Lifetime Replacement
