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Rear Diffuser

Adding a more aggressive rear diffuser to your BMW can offer some performance benefits, but is primarily an aesthetic upgrade. BMWs naturally look great from the rear, why not make yours look even better?

This category contains parts that fit the following chassis:

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Genuine BMW Rear diffuser - E82 1 M Coupe
Genuine BMW Rear diffuser - E82 1 M Coupe
Genuine BMW - Corporate Logo
T#:78872
Part#: 51128051910
In Stock
Sale - Save 3% $ 233.99
$ 226.03 USD
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Sale - Save 3% $ 233.99
$ 226.03 USD
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Genuine BMW Trim Panel, Bumper, Rear, Bottom
This item fits the following BMW Chassis:
E82 1M Coupe,E82

Genuine BMW Rear Bumper Diffuser - E46 Non-M
Genuine BMW Rear Bumper Diffuser - E46 Non-M
Genuine BMW - Corporate Logo
T#:21886
Part#: 51127891916
In Stock
Sale - Save 5% $ 215.99
$ 205.01 USD
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Sale - Save 5% $ 215.99
$ 205.01 USD
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This is the Genuine BMW rear bumper diffuser insert for cars with the Non-M rear bumper.

Genuine BMW Cover, Lower Part Center - M
This item fits the following BMW Chassis:
E46

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M Performance Rear Diffusor - F32 435i/i xDrive 440i/i xDrive
M Performance Rear Diffusor - F32 435i/i xDrive 440i/i xDrive ...
Genuine BMW M Performance - Corporate Logo
T#:190404
Part#: 51192339218
In Stock
Sale - Save 15% $ 505.99
$ 429.65 USD
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Sale - Save 15% $ 505.99
$ 429.65 USD
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This rear diffuser has been designed to perfectly fit 435i vehicles. The diffuser is constructed using a PUR-RIM (Polyurethane Reaction Injected Molding) process that makes it both strong and lightweight. The diffuser comes in a black matte finish and can be painted if desired. This product can only be installed on vehicles with the M Sport package.

This item fits the following BMWs:
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
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Genuine BMW Rear Bumper Diffuser - F10 550i xDrive 550i 535i xDrive 535i
Genuine BMW Rear Bumper Diffuser - F10 550i xDrive 550i 535i xDrive 5...
Genuine BMW - Corporate Logo
T#:78771
Part#: 51127906248
Ships Jul 1, 2025
Sale - Save 4% $ 130.99
$ 126.27 USD
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Sale - Save 4% $ 130.99
$ 126.27 USD
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Genuine BMW Cover, Bumper, Rear - M - Darkshadow
This item fits the following BMW Chassis:
F10

Genuine MINI JCW GP2 Rear Center Diffuser
Genuine MINI JCW GP2 Rear Center Diffuser
Genuine MINI - Corporate Logo
T#:177609
Part#: 51747330558
In Stock
Sale - Save 5% $ 168.99
$ 160.54 USD
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Sale - Save 5% $ 168.99
$ 160.54 USD
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Genuine MINI AIR DUCT, CENTER
Rear Spoiler Lower Section
Rear Spoiler Lower Section
Bremmen Parts - Corporate Logo
T#:26904940
Part#: 51127147890
In Stock
Sale - Save 23% $ 70.99
$ 54.84 USD
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Sale - Save 23% $ 70.99
$ 54.84 USD
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Genuine BMW Rear Diffuser
Genuine BMW Rear Diffuser
Genuine BMW - Corporate Logo
T#:78735
Part#: 51127897215
In Stock
Sale - Save 3% $ 118.99
$ 114.93 USD
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Sale - Save 3% $ 118.99
$ 114.93 USD
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Genuine BMW Cover For Diffuser, Primed - M

Genuine MINI JCW GP2 Rear Center Diffuser Retrofit Kit
Genuine MINI JCW GP2 Rear Center Diffuser Retrofit Kit
Genuine MINI - Corporate Logo
T#:575444
Part#: 51747330558KT
Ships in 1 day
Sale - Save 5% $ 726.99
$ 689.79 USD
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Sale - Save 5% $ 726.99
$ 689.79 USD
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Genuine BMW Rear Diffuser - E82 135i, E88 135i
Genuine BMW Rear Diffuser - E82 135i, E88 135i
Genuine BMW - Corporate Logo
T#:78838
Part#: 51128045506
Ships Jul 1, 2025
Sale - Save 5% $ 178.99
$ 169.85 USD
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Sale - Save 5% $ 178.99
$ 169.85 USD
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Genuine BMW Trim Panel, Bumper, Rear, Bottom - -M-
This item fits the following BMW Chassis:
E82

Genuine BMW M-Tech Rear Diffuser - E91 328i 325xi 328xi E90 328xi 328i
Genuine BMW M-Tech Rear Diffuser - E91 328i 325xi 328xi E90 328xi 328...
Genuine BMW - Corporate Logo
T#:23406
Part#: 51127906504
Ships Jul 1, 2025
Sale - Save 3% $ 192.99
$ 186.51 USD
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Sale - Save 3% $ 192.99
$ 186.51 USD
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Genuine BMW Cover, Lower Part Center - -M-
This item fits the following BMW Chassis:
E90

Genuine BMW Rear Bumper Diffuser - F30 335i 340i 335i xDrive ActiveHybrid 3
Genuine BMW Rear Bumper Diffuser - F30 335i 340i 335i xDrive ActiveHy...
Genuine BMW - Corporate Logo
T#:78884
Part#: 51128054501
Ships Jul 1, 2025
Sale - Save 4% $ 100.99
$ 97.15 USD
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Sale - Save 4% $ 100.99
$ 97.15 USD
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Genuine BMW Insert For Bumper, Rear - M
This item fits the following BMW Chassis:
F30

Genuine BMW Rear Bumper Diffuser - E90 328i 328xi E91 328xi 328i
Genuine BMW Rear Bumper Diffuser - E90 328i 328xi E91 328xi 328i ...
Genuine BMW - Corporate Logo
T#:78695
Part#: 51127892139
Ships Jul 7, 2025
Sale - Save 3% $ 192.99
$ 186.51 USD
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Sale - Save 3% $ 192.99
$ 186.51 USD
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Genuine BMW Insert For Bumper, Rear - -M-
This item fits the following BMW Chassis:
E90

Genuine BMW M Rear Diffuser - E36 318ic 318i 318is 323ic 323is
Genuine BMW M Rear Diffuser - E36 318ic 318i 318is 323ic 323is ...
Genuine BMW - Corporate Logo
T#:23392
Part#: 51122233799
Ships Jul 8, 2025
Sale - Save 3% $ 208.99
$ 202.07 USD
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Sale - Save 3% $ 208.99
$ 202.07 USD
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Genuine BMW Trim Panel - M Technic
This item fits the following BMW Chassis:
E36

Genuine BMW Rear diffuser - E83 X3 N52 3.0L
Genuine BMW Rear diffuser - E83 X3 N52 3.0L
Genuine BMW - Corporate Logo
T#:78074
Part#: 51123433424
Ships Jul 9, 2025
Sale - Save 5% $ 118.99
$ 113.03 USD
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Sale - Save 5% $ 118.99
$ 113.03 USD
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Genuine BMW Diffusor - M
This item fits the following BMW Chassis:
E83 X3

Genuine BMW Rear Diffuser - E90 335i 335xi N54 3.0L with Sport Package Bumper
Genuine BMW Rear Diffuser - E90 335i 335xi N54 3.0L with Sport Packag...
Genuine BMW - Corporate Logo
T#:78826
Part#: 51128043239
Ships Jul 11, 2025
Sale - Save 3% $ 192.99
$ 186.51 USD
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Sale - Save 3% $ 192.99
$ 186.51 USD
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Genuine BMW Cover, Lower Part Center - -M-
This item fits the following BMW Chassis:
E90

Genuine MINI JCW GP2 Bracket For Airflow - Left
Genuine MINI JCW GP2 Bracket For Airflow - Left
Genuine MINI - Corporate Logo
T#:177612
Part#: 51747370213
In Stock
Sale - Save 57% $ 97.99
$ 42.07 USD
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Sale - Save 57% $ 97.99
$ 42.07 USD
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Genuine MINI BRACKET, AIR DUCT, LEFT
Genuine MINI F56 F57 JCW Pro Rear Diffuser Kit W/O PDC - S John Cooper Works
Genuine MINI F56 F57 JCW Pro Rear Diffuser Kit W/O PDC - S John Coope...
Genuine MINI - Corporate Logo
T#:522346
Part#: 51192339047
In Stock
Sale - Save 5% $ 599.99
$ 569.99 USD
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Sale - Save 5% $ 599.99
$ 569.99 USD
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Genuine MINI F56 F57 JCW Pro Rear Diffuser Kit W/O PDC is a premium upgrade for Mini enthusiasts seeking enhanced aesthetics and performance. Engineered with precision and crafted from high-quality materials, this rear diffuser kit adds a sporty touch to your Mini F56 or F57 JCW. Elevate your Mini's appearance and aerodynamics with this genuine MINI Pro rear diffuser kit.

  • Enhances aesthetics
  • Improves aerodynamics
  • Adds a sporty touch
  • Engineered for precision
  • Genuine MINI quality
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JCW GP2 Rear Center Diffuser Retrofit & Hardware Kit - R56 - R59
JCW GP2 Rear Center Diffuser Retrofit & Hardware Kit - R56 - R59 ...
For Vehicles with rear JCW Aerodynamic bumper
Packaged by Turner - Corporate Logo
T#:41661229
Part#: 51747330558TKT
In Stock
New Item
Sale - Save 3% $ 336.99
$ 326.57 USD
Free Shipping on orders $49 and up
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Sale - Save 3% $ 336.99
$ 326.57 USD
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Perfect for enthusiasts and professionals alike, this mounting kit guarantees a proper fit and finish for MINI models equipped with the JCW rear aero bumper.
Genuine BMW Diffuser - E83 X3 M54 3.0L N52 3.0L
Genuine BMW Diffuser - E83 X3 M54 3.0L N52 3.0L
Genuine BMW - Corporate Logo
T#:78069
Part#: 51123417730
Ships Jul 3, 2025
Sale - Save 5% $ 288.99
$ 274.15 USD
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Sale - Save 5% $ 288.99
$ 274.15 USD
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Genuine BMW Diffusor - M
This item fits the following BMW Chassis:
E83 X3

Genuine BMW Rear bumper diffuser trim - F10 M5
Genuine BMW Rear bumper diffuser trim - F10 M5
Genuine BMW - Corporate Logo
T#:178596
Part#: 51128038985
Ships Jul 9, 2025
Sale - Save 3% $ 165.99
$ 160.19 USD
Free Shipping on orders $49 and up
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Sale - Save 3% $ 165.99
$ 160.19 USD
Free Shipping on orders $49 and up
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Genuine BMW Insert - M
This item fits the following BMW Chassis:
F10

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