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2021 MINI Cooper John Cooper Works Convertible B46D

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

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Magnetic Oil Drain Plug - Priced Each (M12x1.5)

ES#251839 - 002201ECS01A - Magnetic Oil Drain Plug - Priced Each (M12x1.5) - Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer - ECS - BMW MINI

Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
251839
Mfg#:
002201ECS01A
In Stock
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4057130 - 121386433600KT1 - Ignition Service Kit - Includes Bavarian Autosport performance coils, plugs, and dielectric grease. Set of four. - Assembled By ECS - MINI

Includes Bavarian Autosport performance coils, plugs, and dielectric grease. Set of four. 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#:
4057130
Mfg#:
121386433600KT1
In Stock
ON SALE! SAVE 17%
$229.99

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

$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B58 B48 B46 B38 B36 High Performance Ignition Coil - Priced Each

ES#4039796 - 12138643360 - B58 B48 B46 B38 B36 High Performance Ignition Coil - Priced Each - Modified core windings offer increased spark for a faster and more efficient burn. - Bavarian Autosport - BMW MINI
ECS Tuning recommends this product.

Modified core windings offer increased spark for a faster and more efficient burn. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4039796
Mfg#:
12138643360
In Stock
ON SALE! SAVE 17%
$35.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DINANTRONICS Sport Performance Tuner

ES#3149057 - D440-0012 - DINANTRONICS Sport Performance Tuner - Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain! - Dinan - BMW MINI

Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain! 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#:
3149057
Mfg#:
D440-0012
Ships in 6 Business Days
11% off MSRP

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

$310.99

This product was last offered at the strikethrough price on
06-12-2026

$275.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own F55/F56/F57 Cooper S Cat-Back Exhaust

ES#4830388 - 054057LA - Build-Your-Own F55/F56/F57 Cooper S Cat-Back Exhaust - Maximize the sound & performance potential of your B48/B46 engine with our cat-back exhaust system! Choose between street-friendly & race-inspired systems to tailor your auditory experience. - ECS - MINI

Maximize the sound & performance potential of your B48/B46 engine with our cat-back exhaust system! Choose between street-friendly & race-inspired systems to tailor your auditory experience. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4830388
Mfg#:
054057LA
In Stock
Starting at $509.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4465251 - D650-0008KT - B-Series Performance Ignition Coil - Black - 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#:
4465251
Mfg#:
D650-0008KT
In Stock
$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#3486417 - 12122455258 - Spark Plug - Priced Each - Keep your engine burning at maximum efficiency with original equipment spark plugs. - Genuine BMW - BMW MINI

Keep your engine burning at maximum efficiency with original equipment spark plugs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3486417
Mfg#:
12122455258
In Stock
23% off MSRP

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

$32.50

This product was last offered at the strikethrough price on
06-12-2026

$24.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Priced Each

ES#4766520 - 13627525014 - Camshaft Position Sensor - Priced Each - Monitors camshaft location - Bremmen Parts - BMW MINI

Monitors camshaft location affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766520
Mfg#:
13627525014
Ships in 4 Business Days
ON SALE! SAVE 17%
$41.99

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

$34.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SCORPION MINI Cooper S F55/F56+ Non GPF Model Only High Flow Sports Catalyst

ES#4352441 - SMNX021 - SCORPION MINI Cooper S F55/F56+ Non GPF Model Only High Flow Sports Catalyst - 2.75" downpipe with high flow cat. Built to last with 304 stainless steel and engineered for dyno-proven power gains. Scorpion proves performance exhaust doesn't need to be intolerably loud to sound great. - Scorpion - MINI

2.75" downpipe with high flow cat. Built to last with 304 stainless steel and engineered for dyno-proven power gains. Scorpion proves performance exhaust doesn't need to be intolerably loud to sound great. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scorpion - Corporate Logo
ES#:
4352441
Mfg#:
SMNX021
Ships on Jun 29, 2026
Auto Notify
$1093.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing 2MOR10S Spark Plug - Priced Each

ES#4017469 - 2M0R10S - Brisk Silver Racing 2MOR10S Spark Plug - Priced Each - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - BMW MINI

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
One heat range colder, Extended Projection

Brand:
Brisk - Corporate Logo
ES#:
4017469
Mfg#:
2M0R10S
In Stock
11% off MSRP

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

$17.99

This product was last offered at the strikethrough price on
06-12-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sprint Booster Power Converter V3 - MINI Cooper 2002+

ES#3177960 - SBMI0003s - Sprint Booster Power Converter V3 - MINI Cooper 2002+ - Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes - Sprint Booster - MINI

Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sprint Booster - Corporate Logo
ES#:
3177960
Mfg#:
SBMI0003S
Back Ordered
Auto Notify
$289.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS TURBO MINI F56 COOPER/S/JCW Intake

ES#4158799 - CTS-IT-166 - CTS TURBO MINI F56 COOPER/S/JCW Intake - Give your car Unrestricted air flow, comes with both PRE LCI and LCI adapters so no guessing game on fitment - CTS - MINI

Give your car Unrestricted air flow, comes with both PRE LCI and LCI adapters so no guessing game on fitment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4158799
Mfg#:
CTS-IT-166
In Stock
ON SALE! SAVE 15%
$259.99

This product was last offered at the strikethrough price on
06-08-2026

$220.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Optima YELLOWTOP High Performance AGM Battery - H6

ES#3639387 - 9048-148 - Optima YELLOWTOP High Performance AGM Battery - H6 - Upgrade to the true dual purpose heavy duty battery with a longer life span - Optima - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade to the true dual purpose heavy duty battery with a longer life span affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Optima - Corporate Logo
ES#:
3639387
Mfg#:
9048-148
Ships in 4 Business Days
$468.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Kies WiFi ENET Adapter - F/G Chassis

ES#4430607 - KIES07-WIFI-AD - Kies WiFi ENET Adapter - F/G Chassis - With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle! - Kies Motorsports - BMW MINI

With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kies Motorsports - Corporate Logo
ES#:
4430607
Mfg#:
KIES07-WIFI-AD
In Stock
$99.99 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.

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