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MINI Cooper S Rear Bumper Diffusers

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JCW GP2 Rear Center Diffuser Retrofit Kit

ES#4382030 - 51747330558 - JCW GP2 Rear Center Diffuser Retrofit Kit - For installing on vehicles with rear JCW Aerodynamic bumper, does not include 6 gray main mounting bolts ES#16788, but includes other install hardware. ONLY at ECS Tuning! - ECS - MINI
ECS Tuning recommends this product.

For installing on vehicles with rear JCW Aerodynamic bumper, does not include 6 gray main mounting bolts ES#16788, but includes other install hardware. ONLY at ECS Tuning! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4382030
Mfg#:
51747330558
In Stock
ON SALE!
$329.99

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

$319.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Rear Center Diffuser Retrofit & Hardware Kit

ES#4475598 - 51747330558KT1 - JCW GP2 Rear Center Diffuser Retrofit & Hardware Kit - For installing on vehicles with rear JCW Aerodynamic bumper, include 6 gray main mounting bolts. - Assembled By ECS - MINI

For installing on vehicles with rear JCW Aerodynamic bumper, include 6 gray main mounting bolts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475598
Mfg#:
51747330558KT1
In Stock
ON SALE!
$370.99

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

$358.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Rear Center Diffuser Retrofit Kit - Gloss Black Bumper Diffuser

ES#4619984 - 51747330558GB - JCW GP2 Rear Center Diffuser Retrofit Kit - Gloss Black Bumper Diffuser - For installing on vehicles with rear JCW Aerodynamic bumper, does not include 6 gray main mounting bolts ES16788, but includes other install hardware. ONLY at ECS Tuning! - ECS - MINI
ECS Tuning recommends this product.

For installing on vehicles with rear JCW Aerodynamic bumper, does not include 6 gray main mounting bolts ES16788, but includes other install hardware. ONLY at ECS Tuning! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4619984
Mfg#:
51747330558GB
In Stock
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Rear Center Diffuser

ES#2612137 - 51747330558 - JCW GP2 Rear Center Diffuser - Center rear aerodynamic section that contours around the exhaust ( this is not the full kit see ES2626525 ) - Genuine MINI - MINI

Center rear aerodynamic section that contours around the exhaust ( this is not the full kit see ES2626525 ) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for vehicles with JCW Aerodynamic rear bumper & GP 2 rear diffuser

Brand:
Genuine MINI - Corporate Logo
ES#:
2612137
Mfg#:
51747330558
In Stock
17% off MSRP

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

$203.99

This product was last offered at the strikethrough price on
06-03-2026

$168.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Diffuser - Carbon Fiber

ES#3175945 - 3108-75911 - Rear Diffuser - Carbon Fiber - Individualize your MINI's looks with this rear diffuser ; PDC version Cooper S rear Bumper - 3D Design - MINI

Individualize your MINI's looks with this rear diffuser ; PDC version Cooper S rear Bumper affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
3D Design - Corporate Logo
ES#:
3175945
Mfg#:
3108-75911
Special Order: No Guaranteed ETA
$1015.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Rear Center Diffuser Retrofit Kit

ES#2626525 - 51747330558KT - JCW GP2 Rear Center Diffuser Retrofit Kit - For installing on vehicles with rear JCW Aerodynamic bumper. - Genuine MINI - MINI

For installing on vehicles with rear JCW Aerodynamic bumper. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We are your MINI Cooper Enthusiast
For vehicles with JCW aerodynamic rear bumper.

Brand:
Genuine MINI - Corporate Logo
ES#:
2626525
Mfg#:
51747330558KT
Ships in 1 day
$757.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Airflow - Left

ES#2612138 - 51747330559 - JCW GP2 Airflow - Left - Mounts as part of the diffuser on the left side - Genuine MINI - MINI

Mounts as part of the diffuser on the left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for vehicles with JCW Aerodynamic rear bumper & GP 2 rear diffuser

Brand:
Genuine MINI - Corporate Logo
ES#:
2612138
Mfg#:
51747330559
In Stock
Limited Qty Sale
$168.99

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

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Bumper Retainer Clip - Metal

ES#4375756 - BMPRTNCLP - Universal Bumper Retainer Clip - Metal - Lock your front and rear bumper's trim/spoiler/diffuser solidly in place! - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Lock your front and rear bumper's trim/spoiler/diffuser solidly in place! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4375756
Mfg#:
BMPRTNCLP
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$1.99

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

$1.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Airflow - Right

ES#2612139 - 51747330560 - JCW GP2 Airflow - Right - Mounts as part of the diffuser on the right side - Genuine MINI - MINI

Mounts as part of the diffuser on the right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for vehicles with JCW Aerodynamic rear bumper & GP 2 rear diffuser

Brand:
Genuine MINI - Corporate Logo
ES#:
2612139
Mfg#:
51747330560
In Stock
Limited Qty Sale
$176.99

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

$148.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW Lower Rear Spoiler

ES#4389751 - 51120404117 - JCW Lower Rear Spoiler - Fits with JCW Aero rear bumpers - Bremmen Parts - MINI

Fits with JCW Aero rear bumpers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Part Exclusive to ECS!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4389751
Mfg#:
51120404117
In Stock
ON SALE! SAVE 26%
$81.99

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

$60.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Bracket For Airflow - Right

ES#2612141 - 51747370214 - JCW GP2 Bracket For Airflow - Right - Mounts the airflow molded plastic to the underbody - Genuine MINI - MINI

Mounts the airflow molded plastic to the underbody affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for vehicles with JCW Aerodynamic rear bumper & GP 2 rear diffuser

Brand:
Genuine MINI - Corporate Logo
ES#:
2612141
Mfg#:
51747370214
Ships in 1 day
10% off MSRP

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

$116.03

This product was last offered at the strikethrough price on
06-03-2026

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Bracket For Airflow - Left

ES#2612140 - 51747370213 - JCW GP2 Bracket For Airflow - Left - Mounts the airflow molded plastic to the underbody - Genuine MINI - MINI

Mounts the airflow molded plastic to the underbody affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for vehicles with JCW Aerodynamic rear bumper & GP 2 rear diffuser

Brand:
Genuine MINI - Corporate Logo
ES#:
2612140
Mfg#:
51747370213
In Stock
ON SALE! SAVE 24%
$97.99

This product was last offered at the strikethrough price on
05-14-2026

$74.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Rear Center Diffuser Retrofit Kit - Hardware Only

ES#4905039 - 517473305581KT - JCW GP2 Rear Center Diffuser Retrofit Kit - Hardware Only - For replacing and repairing the hardware - Genuine MINI - MINI

For replacing and repairing the hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4905039
Mfg#:
517473305581KT
Ships in 3 Business Days
$98.99

This product was last offered at the strikethrough price on
03-04-2026

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Diffuser - Carbon Fiber 3108-75912

ES#3177525 - 3108-75911NPDC - Rear Diffuser - Carbon Fiber 3108-75912 - Individualize your MINI's looks with this rear diffuser ; NON PDC version Cooper S rear Bumper - 3D Design - MINI

Individualize your MINI's looks with this rear diffuser ; NON PDC version Cooper S rear Bumper affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
3D Design - Corporate Logo
ES#:
3177525
Mfg#:
3108-75911NPDC
Ships in 3 Business Days
$1575.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JCW Lower Rear Spoiler

ES#4813169 - 51125A5F095 - JCW Lower Rear Spoiler - Fits with JCW Aero rear bumpers - Genuine MINI - MINI

Fits with JCW Aero rear bumpers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4813169
Mfg#:
51125A5F095
Ships in 1 day
6% off MSRP

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

$242.00

This product was last offered at the strikethrough price on
03-05-2026

$227.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JCW GP2 Rear Center Diffuser Retrofit Kit - Hardware Only

ES#4905040 - 517473305582KT - JCW GP2 Rear Center Diffuser Retrofit Kit - Hardware Only - For replacing and repairing the hardware - Assembled By ECS - MINI

For replacing and repairing the hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4905040
Mfg#:
517473305582KT
Ships in 3 Business Days
ON SALE!
$93.99

This product was last offered at the strikethrough price on
05-29-2026

$90.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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