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2020 MINI Cooper John Cooper Works Convertible B46D Engine Parts & Accessories

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ES#4012749 - 17138687503 - Coolant Expansion Tank - Replace your cracked or faded tank - Genuine MINI - BMW MINI

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4012749
Mfg#:
17138687503
Ships in 3 Business Days
7% off MSRP

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

$151.99

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

$140.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic throttle sensor and assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
2734586
Mfg#:
13547619008
Ships in 3 Business Days
8% off MSRP

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

$793.99

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

$731.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes throttle position sensor and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2733804
Mfg#:
13547619008
Ships in 4 Business Days
7% off MSRP

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

$793.99

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

$739.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connects the intake air box to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2728390
Mfg#:
13717619268
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.

$312.99

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

$301.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mounts to the core support affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
3199088
Mfg#:
17117635620
Ships in 3 Business Days
9% off MSRP

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

$614.99

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

$561.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Mounts above the valve cover as the main engine cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4012575
Mfg#:
11148632412
Ships in 3 Business Days
7% off MSRP

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

$234.00

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

$217.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Genuine MINI - Corporate Logo
ES#:
2975693
Mfg#:
11658626637KT
Ships in 3 Business Days
$3558.99

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

$3528.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Overlay real carbon fiber fuel cap cover with JCW logo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
5443918
Mfg#:
16115A7AD86
Ships in 3 Business Days
6% off MSRP

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

$127.00

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

$119.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Mounts to the fuel tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4757120
Mfg#:
16115A4E031
Ships in 3 Business Days
7% off MSRP

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

$42.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Main housing with oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4012639
Mfg#:
11428580412
Ships in 3 Business Days
7% off MSRP

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

$804.99

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

$748.99 USD
Free Shipping
on orders $49 and up

Mounts to the front of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4012734
Mfg#:
17118645799
Ships in 6 Business Days
9% off MSRP

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

$614.99

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

$561.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Covers over the gas cap itself in the cover pot, aspen white upgrade. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4562846
Mfg#:
51712470383
Ships in 6 Business Days
6% off MSRP

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

$108.00

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

$102.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Part of the evap system for the fuel, main line to the fuel filler neck affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
2729053
Mfg#:
16117300652
Ships in 6 Business Days
8% off MSRP

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

$95.99

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

$87.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4733436 - MCEVI-1401S-HS - Supertech Exhaust Valve - Priced Each  29.5mm  (+1) Plus Size  - Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm   29.5 (+1) - Supertech - MINI

Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 29.5 (+1) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4733436
Mfg#:
MCEVI-1401S-HS
Ships in 8 Business Days
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4733576 - MCEVI-1400S - Supertech Exhaust Valve - Priced Each  28.5mm Standard Size  - Black nitride coated, inconel, solid (no sodium), single groove exhaust valve. 100.1mm   28.5 (std) - Supertech - MINI

Black nitride coated, inconel, solid (no sodium), single groove exhaust valve. 100.1mm 28.5 (std) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4733576
Mfg#:
MCEVI-1400S
Ships in 8 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
ES#4733441 - SPRK-MCB48-2 - Performance Valve Springs Kit - Set Of 16 - Higher LBS/MM Spring - Aftermarket performance intake and exhaust valve springs for your high revving B46/B48 engine - Supertech - MINI

Aftermarket performance intake and exhaust valve springs for your high revving B46/B48 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4733441
Mfg#:
SPRK-MCB48-2
Ships in 8 Business Days
$785.99 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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