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 Convertible 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 Convertible B46D
Your Vehicle 2021 MINI Cooper John Cooper Works Convertible B46D
Change Clear

2021 MINI Cooper John Cooper Works Convertible B46D Engine Parts & Accessories

Sort By
Filter By
Return to Top

2.36" Cat-Back Exhaust System

ES#3143000 - HS14MCSG3S - 2.36" Cat-Back Exhaust System - Featuring 101mm dual rolled stainless tips! - Invidia - MINI

Featuring 101mm dual rolled stainless tips! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Invidia - Corporate Logo
ES#:
3143000
Mfg#:
HS14MCSG3S
Ships in 9 Business Days
$1114.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Windshield Cowl Cover - Front left

ES#2805488 - 51717305493 - Windshield Cowl Cover - Front left - Mounts in front of the main section that mounts below the front windshield - Genuine MINI - MINI

Mounts in front of the main section that mounts below the front windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
2805488
Mfg#:
51717305493
In Stock
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HD Water pump

ES#4487414 - 11518623574 - HD Water pump - Upgraded seals. Keep your coolant flowing properly and your engine temperature under control! - Meyle HD - BMW MINI

Upgraded seals. Keep your coolant flowing properly and your engine temperature under control! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! 4-year warranty on all MEYLE-HD parts. Engineered and quality approved in Germany.

Brand:
Meyle HD - Corporate Logo
ES#:
4487414
Mfg#:
11518623574
Ships in 7 Business Days
Auto Notify
$101.99

This product was last offered at the strikethrough price on
12-29-2025

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit W/ O-Ring - MINI Cooper 2020-2024 HU 6012 Z KIT

ES#4164408 - 11428593186 - Oil Filter Kit W/ O-Ring - MINI Cooper 2020-2024 HU 6012 Z KIT - Quality replacement oil filter to ensure your oil stays contaminant free : F56+ B36C/B46C/B46D - Mann - MINI

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

Brand:
Mann - Corporate Logo
ES#:
4164408
Mfg#:
11428593186
Ships in 1 day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pedal 2 Metal Throttle Enhancer - BMW & MINI

ES#4940052 - 77-20007 - Pedal 2 Metal Throttle Enhancer - BMW & MINI - Remove the throttle lag and get more instant response. - AFE - BMW MINI

Remove the throttle lag and get more instant response. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4940052
Mfg#:
77-20007
In Stock at Vendor
20% off MSRP

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

$335.00

This product was last offered at the strikethrough price on
12-29-2025

$268.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Powerflex Upper Engine Mount Inserts - Race

ES#4456847 - PFF5-1321R - Powerflex Upper Engine Mount Inserts - Race - Stiffer bushings will allow smoother movement, this is for track MINIs/BMWs or daily/race modified - Powerflex Black Series - MINI

Stiffer bushings will allow smoother movement, this is for track MINIs/BMWs or daily/race modified affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4456847
Mfg#:
PFF5-1321R
In Stock
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Ni-Mh

ES#2683703 - 84109297787 - Battery Ni-Mh - Powers the telemetrics control unit. - Genuine BMW - BMW MINI

Powers the telemetrics control unit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2683703
Mfg#:
84109297787
In Stock
4% off MSRP

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

$52.99

This product was last offered at the strikethrough price on
06-14-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Cap Cover Piano Black

ES#4440332 - 51712457412 - Fuel Cap Cover Piano Black - Covers over the gas cap itself in the cover pot, Blackline upgrade. Peel and stick - ECS - MINI

Covers over the gas cap itself in the cover pot, Blackline upgrade. Peel and stick affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4440332
Mfg#:
51712457412
In Stock
ON SALE! SAVE 10%
$107.99

This product was last offered at the strikethrough price on
06-13-2026

$97.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - B46/B48

ES#4845650 - B48-WPC-RB - WPC-Treated Race Series Rod Bearing Set - B46/B48 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW MINI

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845650
Mfg#:
B48-WPC-RB
In Stock
Limited Qty Sale
$475.99

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

$354.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Direct Fit Catalytic Converter Replacement

ES#3998977 - 47-46306 - Direct Fit Catalytic Converter Replacement - Replaces the stock downpipe - AFE - BMW MINI

Replaces the stock downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3998977
Mfg#:
47-46306
Back Ordered
20% off MSRP

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

$1311.99

This product was last offered at the strikethrough price on
06-14-2026

$1049.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 4 Business Days
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
06-14-2026

$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
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 4 Business Days
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

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