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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#5396066 - 401-4704 - ARP Head Stud Kit  B48 Undercut CA625+, 12pt - High strength ARP Head stud kit for the B48 engines - ARP - MINI

High strength ARP Head stud kit for the B48 engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
5396066
Mfg#:
401-4704
In Stock
Limited Qty Sale
$588.99

This product was last offered at the strikethrough price on
06-07-2026

$529.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4871891 - B48-WPC-RBKT - WPC-Treated Performance Rod Bearing Installation Kit - Includes Turner Motorsport "Race Series" rod bearings, Genuine BMW/MINI connecting rod bolts, and assembly lubricant. - Assembled By ECS - BMW MINI

Includes Turner Motorsport "Race Series" rod bearings, Genuine BMW/MINI connecting rod bolts, and assembly lubricant. 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#:
4871891
Mfg#:
B48-WPC-RBKT
In Stock
ON SALE! SAVE 25%
$551.99

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

$413.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#5394221 - 11428649177 - Oil Filter Housing - 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#:
5394221
Mfg#:
11428649177
In Stock
ON SALE! SAVE 20%
$163.99

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

$130.55 USD
Free Shipping
on orders $49 and up
ES#5424648 - 11428580412 - Oil Filter Housing  - Main housing with oil cooler - Bremmen Parts - MINI

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
5424648
Mfg#:
11428580412
In Stock
ON SALE! SAVE 20%
$305.99

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

$244.79 USD
Free Shipping
on orders $49 and up
ES#4845862 - 11538631943 - Heat Management Module  - Located near the water pump - Ina - MINI

Located near the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
4845862
Mfg#:
11538631943
In Stock
Limited Qty Sale
$259.99

This product was last offered at the strikethrough price on
05-14-2026

$226.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5457075 - D440-0012 - DINANTRONICS Sport Performance Tuner *Scratch And Dent* - Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain! - Scratch & Dent - BMW MINI

Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5457075
Mfg#:
D440-0012
In Stock
Limited Qty Sale
$275.99

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

$251.99 USD
Free Shipping
on orders $49 and up
ES#4931908 - ARMAMINF56-AR - MINI F55 / F56  ARMASPEED Carbon Fiber Cold Air Intake - Rectangular - LCI  - Completely transform your engine bay while increasing performance and sound featuring a high flow Filter; LCI engines 2018/2019+. Please Check your MAF housing design and compare to pictures - ARMA - MINI

Completely transform your engine bay while increasing performance and sound featuring a high flow Filter; LCI engines 2018/2019+. Please Check your MAF housing design and compare to pictures affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARMA - Corporate Logo
ES#:
4931908
Mfg#:
ARMAMINF56-AR
Ships on Jul 2, 2026
$990.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Evolution Racewerks - Corporate Logo
ES#:
4659395
Mfg#:
MI-EXH001PCAT
Ships in 9 Business Days
$945.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4759364 - 11128654637 - Oil Cap - Includes the sealing gasket - Febi - MINI

Includes the sealing 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:
Febi - Corporate Logo
ES#:
4759364
Mfg#:
11128654637
In Stock at Vendor
$12.99

This product was last offered at the strikethrough price on
05-29-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4852299 - FMPAN-0116 - Drop In Panel Filter  - All Forge panel filters are supplied with a very light spray misting of retention oil to stop ingress of particles and dust and deliver outstanding filtration and performance. - Forge - BMW MINI

All Forge panel filters are supplied with a very light spray misting of retention oil to stop ingress of particles and dust and deliver outstanding filtration and performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
4852299
Mfg#:
FMPAN-0116
Ships in 4 Business Days
$60.99 USD
Free Shipping
ES#2872979 - SSXM412 - Cat-Back Exhaust System - Resonated Twin GT90 - 2.75" stainless steel with Twin Round Cerakote Black Tips - Milltek Sport - MINI

2.75" stainless steel with Twin Round Cerakote Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2872979
Mfg#:
SSXM412
Ships in 4 Business Days
$1877.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3477808 - SSXM425 - Cat-Back Exhaust System - Resonated Dual GT90 - 2.75" stainless steel with Dual GT90 Titanium Tips - Milltek Sport - MINI

2.75" stainless steel with Dual GT90 Titanium Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3477808
Mfg#:
SSXM425
Ships in 4 Business Days
$2076.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376468 - 17117635620 - Aluminum Radiator 60865 - Mounts to the core support - Nissens - MINI

Mounts to the core support We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4376468
Mfg#:
17117635620
Ships in 7 Business Days
$503.99 USD
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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Manufacturer names and/or part numbers are used only for identification purposes.

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