Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW Rear Bumper Diffusers

Sort By
Filter By
Return to Top

Rear Bumper Diffuser

ES#2498317 - 51128050378 - Rear Bumper Diffuser - Replace damaged or missing trim with replacements straight from BMW - Genuine BMW - BMW

Replace damaged or missing trim with replacements straight from BMW For vehicles with M-sport rear bumper

Brand:
Genuine BMW - Corporate Logo
ES#:
2498317
Mfg#:
51128050378
Ships in 1-2 days
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$171.99

This product was last offered at the strikethrough price on
09-04-2026

$156.99 USD
This product is lifetime replacement eligible Lifetime Replacement

M Performance Style Glossy Black Diffuser

ES#4490496 - G20PDIFF330-GB - M Performance Style Glossy Black Diffuser - Designed to resemble the M-Performance line! - Suvneer - BMW

Designed to resemble the M-Performance line! For Vehicles with M Sport bumper only

Brand:
Suvneer - Corporate Logo
ES#:
4490496
Mfg#:
G20PDIFF330-GB
Ships in 5 Business Days
$150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear diffuser

ES#76084 - 51123433424 - Rear diffuser - Replacement diffuser for rear bumper - Genuine BMW - BMW

Replacement diffuser for rear bumper For vehicles with M Sport bumper and trailer hitch

Brand:
Genuine BMW - Corporate Logo
ES#:
76084
Mfg#:
51123433424
Ships in 1-2 days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$145.99

This product was last offered at the strikethrough price on
09-04-2026

$133.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E83 DIFFUSER

ES#76057 - 51123414396 - E83 DIFFUSER - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
76057
Mfg#:
51123414396
Ships in 3 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$142.99

This product was last offered at the strikethrough price on
09-04-2026

$130.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Diffuser

ES#76580 - 51127897215 - Rear Diffuser - Primed and ready for paint - Genuine BMW - BMW

Primed and ready for paint For vehicles with M Sport bumper

Brand:
Genuine BMW - Corporate Logo
ES#:
76580
Mfg#:
51127897215
In Stock
ON SALE! SAVE 10%
$127.99

This product was last offered at the strikethrough price on
05-02-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Bumper Diffuser

ES#2584204 - 51128054501 - Rear Bumper Diffuser - The plastic cover inserted into the lower portion of the rear bumper - Genuine BMW - BMW

The plastic cover inserted into the lower portion of the rear bumper For vehicles with M Sport bumper

Brand:
Genuine BMW - Corporate Logo
ES#:
2584204
Mfg#:
51128054501
Ships in 1-2 days
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$122.99

This product was last offered at the strikethrough price on
09-04-2026

$112.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear diffuser trim - right

ES#1305168 - 51122148726 - Rear diffuser trim - right - Goes in the opening on the right side of the BMW performance diffuser - Genuine BMW - BMW

Goes in the opening on the right side of the BMW performance diffuser For vehicles with BMW performance rear diffuser

Brand:
Genuine BMW - Corporate Logo
ES#:
1305168
Mfg#:
51122148726
Ships in 6 Business Days
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$84.00

This product was last offered at the strikethrough price on
09-04-2026

$81.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

DIFFUSOR - *Scratch And Dent*

ES#4159290 - 51128055229sd - DIFFUSOR - *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.*** - Scratch & Dent - BMW

***Please see photos and description prior to ordering, all sales final.*** ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
4159290
Mfg#:
51128055229SD
In Stock
ON SALE! SAVE 31%
$109.99

This product was last offered at the strikethrough price on
05-02-2026

$76.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M Performance Style Matte Black Diffuser

ES#4490498 - G20PDIFF330-MB - M Performance Style Matte Black Diffuser - Designed to resemble the M-Performance line! - Suvneer - BMW

Designed to resemble the M-Performance line! For Vehicles with M Sport bumper only

Brand:
Suvneer - Corporate Logo
ES#:
4490498
Mfg#:
G20PDIFF330-MB
In Stock
ON SALE! SAVE 61%
$125.00

This product was last offered at the strikethrough price on
05-02-2026

$49.04 USD
This product is lifetime replacement eligible Lifetime Replacement

AutoTecknic Dry Carbon Rear Diffuser Trim Set - G80 M3 | G82/ G83 M4

ES#4660172 - BM-0341 - AutoTecknic Dry Carbon Rear Diffuser Trim Set - G80 M3 | G82/ G83 M4 - Give your car a new look! - AUTOTECKNIC - BMW

Give your car a new look!

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4660172
Mfg#:
BM-0341
In Stock
Limited Qty Sale
$600.00

This product was last offered at the strikethrough price on
08-10-2026

$528.00 USD
This product is lifetime replacement eligible Lifetime Replacement

ABS Diffuser & LTW Front Lip - Matte Black - E36 M3

ES#4920258 - 28202TMS01EBKT2 - ABS Diffuser & LTW Front Lip - Matte Black - E36 M3 - Add aggressive styling to the front and rear of your E36! - Enthusiast Bundles - BMW

Add aggressive styling to the front and rear of your E36! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
For Vehicles Equipped with M3 Front & Rear Bumper Covers

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4920258
Mfg#:
28202TMS01EBKT2
In Stock
ON SALE! SAVE 22%
$637.99

This product was last offered at the strikethrough price on
05-05-2026

$499.00 USD
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

G87 M2 Carbon Fiber Rear Diffuser *Scratch And Dent*

ES#5491229 - 050539LA01-01 - G87 M2 Carbon Fiber Rear Diffuser *Scratch And Dent* - Transform your G87 M2s rear end with an aggressive carbon fiber diffuser that delivers perfect fitment, bold styling, and race-inspired presence in one sleek upgrade. - Scratch & Dent - BMW

Transform your G87 M2’s rear end with an aggressive carbon fiber diffuser that delivers perfect fitment, bold styling, and race-inspired presence in one sleek upgrade. ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5491229
Mfg#:
050539LA01-01
In Stock
Limited Qty Sale
$815.99

This product was last offered at the strikethrough price on
08-05-2026

$652.99 USD

Other BMW Rear Bumper Diffusers

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings