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Your Vehicle 2021 MINI Cooper John Cooper Works Convertible B46D

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

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ES#4057131 - 121386433600KT2 - High Performance Ignition Service Kit - Includes coils, Brisk 1 stage colder plugs, and dielectric grease. Set of four. - Assembled By ECS - MINI

Includes 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#:
4057131
Mfg#:
121386433600KT2
In Stock
$234.99

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

$206.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4817942 - 11428593186KT6 - MINI Oil Service Kit Gen 3 2.0L 5w-30 - Priced As Kit - All in one service for your MINI, with drain plug - Genuine MINI - MINI

All in one service for your MINI, with drain plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4817942
Mfg#:
11428593186KT6
In Stock
$104.99

This product was last offered at the strikethrough price on
02-16-2026

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4830051 - PP1931PLUS - Performance Plus Foam Air Filter - Pipercross's newest direct-fit performance filter featuring a new foam matrix and an upgraded steel frame that replaces the previous mesh design for better airflow and strength - Pipercross - BMW MINI

Pipercross's newest direct-fit performance filter featuring a new foam matrix and an upgraded steel frame that replaces the previous mesh design for better airflow and strength affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
4830051
Mfg#:
PP1931PLUS
Ships on Jul 9, 2026
$102.99 USD
Free Shipping
on orders $49 and up
ES#4003652 - 11538631943 - Heat Management Module  - Located near the water pump - Genuine MINI - MINI

Located near the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4003652
Mfg#:
11538631943
Ships in 1 day
9% off MSRP

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

$446.99

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

$407.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3982313 - 11129454322 - Valve cover bolt - priced each  - M6x30 - Genuine MINI - BMW MINI

M6x30 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
3982313
Mfg#:
11129454322
Ships in 1 day
11% off MSRP

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

$18.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810759 - 11148664904 - Rear Main Seal - Rear position, 90mm x 104mm x 9mm. - Corteco - BMW MINI

Rear position, 90mm x 104mm x 9mm. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Corteco - Corporate Logo
ES#:
4810759
Mfg#:
11148664904
Back Ordered
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4674559 - LEP-EOL - EOLIAN Air Intake Duct - Primed  - Mounts before the factory intake as an integrated duct add on - LEAP - MINI

Mounts before the factory intake as an integrated duct add on affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LEAP - Corporate Logo
ES#:
4674559
Mfg#:
LEP-EOL
Ships on Jul 10, 2026
$396.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4583433 - 13517636881 - Fuel Pump - High Pressure 66828 0261520248 - This HPFP mounts to the fuel system and transfers fuel - Bosch - MINI

This HPFP mounts to the fuel system and transfers fuel 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#:
4583433
Mfg#:
13517636881
In Stock at Vendor
$395.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4214973 - 11258678934 - Piston W/ Rings - ( 0 Size ) Priced Each - Stock size piston with rings and hardware - Genuine MINI - MINI

Stock size piston with rings and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4214973
Mfg#:
11258678934
Ships in 8 Business Days
1% off MSRP

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

$399.99

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

$395.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2859409 - 11128644674 - Cylinder Head Bolt - Priced each - Genuine BMW/MINI parts to complete your engine repair - Genuine BMW - BMW MINI

Genuine BMW/MINI parts to complete your engine repair affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2859409
Mfg#:
11128644674
Ships in 1 day
14% off MSRP

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

$15.70

This product was last offered at the strikethrough price on
01-03-2026

$13.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3548448 - 13718655836 - Intake Charge Pipe - Genuine BMW - MINI

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3548448
Mfg#:
13718655836
Ships in 1 day
7% off MSRP

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

$420.99

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

$391.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4846005 - trk0019 - Turbocharger Installation Kit - TRK0019 kit from Rein has all the supporting gaskets and lines to replace your B46/ B48 Engines Turbocharger! - Rein - BMW MINI

TRK0019 kit from Rein has all the supporting gaskets and lines to replace your B46/ B48 Engines Turbocharger! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4846005
Mfg#:
TRK0019
Ships in 3 Business Days
$390.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4057272 - 11318648729KT - Timing Chain Kit  - Needed to replace the timing chain in your MINI - Genuine MINI - MINI

Needed to replace the timing chain in your MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4057272
Mfg#:
11318648729KT
Ships in 1 day
$378.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164011 - 11428593186KT - Oil Filter Kit With O-Ring - 5 Pack  2020-2024 - Multi-pack oil filter kits to ensure your oil stays contaminant free : Gen 3 MINIs - Genuine MINI - MINI

Multi-pack oil filter kits to ensure your oil stays contaminant free : Gen 3 MINIs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4164011
Mfg#:
11428593186KT
In Stock
$127.99

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

$125.99 USD
Free Shipping
ES#2848245 - 11127647711 - ASA Studs Exhaust Stud - Priced Each  - Exhaust manifold/turbocharger to cylinder head studs - Genuine BMW - BMW MINI

Exhaust manifold/turbocharger to cylinder head studs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2848245
Mfg#:
11127647711
Ships in 1 day
$2.99 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.

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