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

Menu

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

2021 MINI Cooper John Cooper Works 3 Door B46D

    • 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
affirm financing terms & conditions
garage-red
Your Vehicle 2021 MINI Cooper John Cooper Works 3 Door B46D
Your Vehicle 2021 MINI Cooper John Cooper Works 3 Door B46D
Change Clear

2021 MINI Cooper John Cooper Works 3 Door B46D Engine Parts & Accessories

Sort By
Filter By
Return to Top

Valve Seal Repair Kit - Exhaust

ES#4070856 - 11340035853 - Valve Seal Repair Kit - Exhaust - Stop burning oil at start-up - Corteco - BMW MINI

Stop burning oil at start-up affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Corteco - Corporate Logo
ES#:
4070856
Mfg#:
11340035853
In Stock
$33.99

This product was last offered at the strikethrough price on
02-24-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Assembly

ES#3680497 - 11128631745 - Valve Cover Assembly - Eliminate leaks with this replacement valve cover for your B46 / B48 engine - includes the gaskets and mounting bolts - Genuine BMW - BMW MINI

Eliminate leaks with this replacement valve cover for your B46 / B48 engine - includes the gaskets and mounting bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3680497
Mfg#:
11128631745
Ships in 1 day
4% off MSRP

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

$533.99

This product was last offered at the strikethrough price on
06-17-2026

$513.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Uprated Alloy Intercooler For MINI Cooper JCW Turbo

ES#3154181 - FMINT7 - Uprated Alloy Intercooler For MINI Cooper JCW Turbo - Upgrade to Forge on your MINI - Forge - MINI

Upgrade to Forge on your MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3154181
Mfg#:
FMINT7
Ships in 3 Business Days
$1024.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Position 0258027083

ES#3698417 - 11788600992 - Oxygen Sensor - Front Position 0258027083 - Cure your poor gas mileage by replacing your worn oxygen sensors - Bosch - MINI

Cure your poor gas mileage by replacing your worn oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3698417
Mfg#:
11788600992
In Stock at Vendor
$173.99

This product was last offered at the strikethrough price on
05-07-2026

$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#3421777 - 12138643360 - Ignition Coil - Priced Each - Give your MINI engine a new spark - Genuine MINI - MINI

Give your MINI engine a new spark affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
3421777
Mfg#:
12138643360
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.

$100.99

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

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B46 High Flow Catted Downpipe - Thermal Coated Black Finish

ES#4659397 - MI-EXH001TBCAT - B46 High Flow Catted Downpipe - Thermal Coated Black Finish - High performance 200 Cell catalytic - Evolution Racewerks - MINI

High performance 200 Cell catalytic affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Evolution Racewerks - Corporate Logo
ES#:
4659397
Mfg#:
MI-EXH001TBCAT
Ships in 8 Business Days
$995.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Support Bracket / Mount

ES#4505150 - 22316853449 - Transmission Support Bracket / Mount - Keep your MINI shifts smooth and without vibrations - URO - BMW MINI

Keep your MINI shifts smooth and without vibrations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Automatic Transmissions

Brand:
URO - Corporate Logo
ES#:
4505150
Mfg#:
22316853449
In Stock
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MINI JCW Carbon Fiber Filler Cap Cover - Red JCW Letters

ES#4875530 - 16115B4EAD4 - MINI JCW Carbon Fiber Filler Cap Cover - Red JCW Letters - Overlay real carbon fiber fuel cap cover with JCW logo - Genuine MINI - MINI

Overlay real carbon fiber fuel cap cover with JCW logo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4875530
Mfg#:
16115B4EAD4
In Stock
6% off MSRP

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

$127.00

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

$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Timing Chain Tensioner

ES#2727867 - 13527797905 - Lower Timing Chain Tensioner - Located on the outside of the timing chain guide that keeps tension on the chain - Genuine BMW - BMW MINI

Located on the outside of the timing chain guide that keeps tension on the chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2727867
Mfg#:
13527797905
In Stock
7% off MSRP

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

$102.99

This product was last offered at the strikethrough price on
05-06-2026

$95.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OEM Grade Direct-Fit Catalytic Converter / Downpipe

ES#4866105 - 52929 - OEM Grade Direct-Fit Catalytic Converter / Downpipe - Replaces the stock downpipe - Magnaflow - BMW MINI

Replaces the stock downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
48-state legal - not for sale or use in California

Brand:
Magnaflow - Corporate Logo
ES#:
4866105
Mfg#:
52929
Back Ordered
$943.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing - Upgraded Metal

ES#5389053 - 11428649177M - Oil Filter Housing - Upgraded Metal - Main housing with oil cooler - Bremmen Parts - BMW MINI

Main housing with oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Automatic transmission or Steptronic with twin-clutch gearbox

Brand:
Bremmen Parts - Corporate Logo
ES#:
5389053
Mfg#:
11428649177M
In Stock
ON SALE! SAVE 20%
$234.99

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

$187.67 USD
Free Shipping
on orders $49 and up

B-Series Performance Ignition Coil - Blue - Set Of Four

ES#4465246 - D650-0010KT - B-Series Performance Ignition Coil - Blue - Set Of Four - A direct plug-and-play upgrade with up to 10% more energy output than stock! - Dinan - MINI

A direct plug-and-play upgrade with up to 10% more energy output than stock! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4465246
Mfg#:
D650-0010KT
In Stock
$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Set - MINI Cooper E951H D497 2020-2024

ES#4159267 - 11428593186 - Oil Filter Set - MINI Cooper E951H D497 2020-2024 - Quality replacement oil filter to ensure your oil stays contaminant free : F56+ B36C/B46C/B46D - Hengst - MINI
ECS Tuning recommends this product.

Quality replacement oil filter to ensure your oil stays contaminant free : F56+ B36C/B46C/B46D affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
4159267
Mfg#:
11428593186
In Stock
$17.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless

ES#4146865 - 026732TMS06-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146865
Mfg#:
026732TMS06-02
In Stock
ON SALE! SAVE 26%
$125.99

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

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip XLR Throttle Controller With App Control

ES#4429716 - 999981 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control. - Race Chip - BMW MINI

Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4429716
Mfg#:
999981
Ships on Jul 17, 2026
$299.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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