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2021 MINI Cooper John Cooper Works 3 Door B46D

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

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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

Magnetic Oil Drain Plug - Priced Each (12x1.5)

ES#251840 - 002201ECS02A - Magnetic Oil Drain Plug - Priced Each (12x1.5) - Featuring 10 copper washers - ECS - BMW MINI

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

Brand:
ECS - Corporate Logo
ES#:
251840
Mfg#:
002201ECS02A
In Stock
ON SALE! SAVE 25%
$39.99

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

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

Throttle Booster

ES#4624166 - D440-1700 - Throttle Booster - Wireless controlled unit that allows adjustable throttle response control - Dinan - BMW MINI

Wireless controlled unit that allows adjustable throttle response control 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#:
4624166
Mfg#:
D440-1700
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.

$310.99

This product was last offered at the strikethrough price on
06-16-2026

$275.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Powerflex Upper Engine Mount Inserts - Street

ES#4456846 - PFF5-1321 - Powerflex Upper Engine Mount Inserts - Street - Stiffer bushings will allow smoother movement - Powerflex - MINI

Stiffer bushings will allow smoother movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
4456846
Mfg#:
PFF5-1321
In Stock
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Flange Connector

ES#4841460 - 11118511205 - Aluminum Coolant Flange Connector - Located on the side of the engine block, includes gasket - Rein - BMW MINI

Located on the side of the engine block, includes gasket 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:
Rein - Corporate Logo
ES#:
4841460
Mfg#:
11118511205
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Ignition Service Kit

ES#4690831 - 121386433600KT8 - High Performance Ignition Service Kit - Includes Bavarian Autosport Performance coils, Brisk 1 stage colder plugs, and dielectric grease. Set of four. - Assembled By ECS - MINI

Includes Bavarian Autosport Performance coils, Brisk 1 stage colder 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#:
4690831
Mfg#:
121386433600KT8
In Stock
ON SALE! SAVE 16%
$211.99

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

$178.85 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Tec B FE Engine Oil (5W-30) - 1 Liter

ES#4220227 - 20442 - Special Tec B FE Engine Oil (5W-30) - 1 Liter - Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption - Liqui-Moly - BMW MINI

Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption 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!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4220227
Mfg#:
20442
In Stock
32% off MSRP

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

$17.95

This product was last offered at the strikethrough price on
06-16-2026

$12.19 USD
Free Shipping
on orders $49 and up

Dinan Carbon Fiber Air Intake - 2020+ B48/46 MINI Cooper & BMW

ES#4714683 - D760-0057 - Dinan Carbon Fiber Air Intake - 2020+ B48/46 MINI Cooper & BMW - Performance intake in a Carbon Fiber housing - Dinan - BMW MINI

Performance intake in a Carbon Fiber housing 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#:
4714683
Mfg#:
D760-0057
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.

$461.99

This product was last offered at the strikethrough price on
06-16-2026

$409.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB+ Quick Install Tuner - B48 FWD - 4 Wire

ES#4714937 - JBPLUS-B48-4W-MA - JB+ Quick Install Tuner - B48 FWD - 4 Wire - Quick and simple add-on for increased power! - Burger Motorsports - BMW MINI

Quick and simple add-on for increased power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For FWD models with 4 wire TMAP Sensor

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714937
Mfg#:
JBPLUS-B48-4W-MA
In Stock
$239.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#3658488 - 026698TMS01-01 - Titanium Magnetic Oil Drain Plug - Priced Each (M12x1.5) - Attracts all the metal particles that would otherwise be circulating your engine! Includes one copper washer - Turner Motorsport - BMW MINI

Attracts all the metal particles 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:
Turner Motorsport - Corporate Logo
ES#:
3658488
Mfg#:
026698TMS01-01
In Stock
ON SALE! SAVE 25%
$56.99

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

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Engine Support Bushing - Large

ES#2804594 - PFF5-1320 - Performance Polyurethane Engine Support Bushing - Large - Stiffer bushings will allow smoother movement - Powerflex - MINI

Stiffer bushings will allow smoother movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2804594
Mfg#:
PFF5-1320
In Stock
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eventuri F56 MINI JCW GP3 / F54 Clubman JCW Carbon Intake System

ES#4265565 - EVE-JCWGP3-INT - Eventuri F56 MINI JCW GP3 / F54 Clubman JCW Carbon Intake System - Performance Increase JCW GP3: 15-18hp, 17-20ft-lb - Eventuri - MINI

Performance Increase JCW GP3: 15-18hp, 17-20ft-lb affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eventuri - Corporate Logo
ES#:
4265565
Mfg#:
EVE-JCWGP3-INT
Ships in 5 Business Days
$1715.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VC-50 Water Methanol Controller / Boost Gauge (1-50 PSI)

ES#3579892 - 60500 - VC-50 Water Methanol Controller / Boost Gauge (1-50 PSI) - All in one boost gauge and water meth. controller - SnowPerformance - BMW Volkswagen MINI

All in one boost gauge and water meth. controller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3579892
Mfg#:
60500
In Stock at Vendor
$312.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Windshield Cowl Cover

ES#2756720 - 51717301013 - Windshield Cowl Cover - Main section that mounts below the front windshield - Genuine MINI - MINI

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#:
2756720
Mfg#:
51717301013
In Stock
3% off MSRP

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

$104.99

This product was last offered at the strikethrough price on
06-16-2026

$101.99 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.

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