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Your Vehicle 2021 MINI Cooper S 3 Door B46C

2021 MINI Cooper S 3 Door B46C Engine Parts & Accessories

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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 9 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 9 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 9 Business Days
$785.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3623926 - P4-MINB48825CR11 - Forged Pistons (Set Of 4) - 82.50mm (0.5mm+) P4-MINB48-825-CR11-4 - Performance pistons in plus size for the 2.0L engines - Supertech - MINI

Performance pistons in plus size for the 2.0L engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3623926
Mfg#:
P4-MINB48825CR11
Ships in 9 Business Days
$798.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4733434 - MCIVN-1401S - Supertech Intake Valve - Priced Each  31.10 (+1) Plus Sized - Black nitride coated, single groove intake valve. 99.50mm.  31.10 (+1) - Supertech - MINI

Black nitride coated, single groove intake valve. 99.50mm. 31.10 (+1) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4733434
Mfg#:
MCIVN-1401S
Ships in 9 Business Days
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aftermarket performance intake and exhaust valve springs for your high revving B36/B38 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4733440
Mfg#:
SPRK-MCB38
Ships in 9 Business Days
$541.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Uprated valve guides used in the cylinder head : Manganese Bronze Metal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4733444
Mfg#:
GDE-BMB48-I
Ships in 9 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High strength ARP main stud kit for the B48 engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARP - Corporate Logo
ES#:
5396064
Mfg#:
201-5404
Ships on Jun 23, 2026
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement for NTI-01, MINI-01 Leyo intake systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LEYO - Corporate Logo
ES#:
4715445
Mfg#:
AF-5-3-76
Ships on Jun 23, 2026
$49.99 USD
Free Shipping
on orders $49 and up

Carbon Fiber cold air intake system with Pipercross high flow foam filter, 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:
Pipercross - Corporate Logo
ES#:
4876827
Mfg#:
PK454
Ships on Jun 29, 2026
$630.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber cold air intake system with Pipercross high flow foam filter, comes with both PRE LCI and LCI adapters so no guessing game on fitment. Plus the included resonator delete! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
4876829
Mfg#:
PK454FULL
Ships on Jun 29, 2026
$760.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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#:
4674562
Mfg#:
LEP-EOL-W
Ships on Jun 30, 2026
$538.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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#:
4674555
Mfg#:
LEP-EOL-CF-CA
Ships on Jun 30, 2026
$663.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5339197 - 082.200 - Fuel Injector Seal - Help seal fuel injectors and eliminate leaks. - Elring - BMW MINI

Help seal fuel injectors and eliminate leaks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5339197
Mfg#:
082.200
Special Order: No Guaranteed ETA
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5339259 - 593.200 - Turbo Inlet Gasket - Preformed seal that seals the intake pipe to the turbo inlet - 75x4.5mm - Elring - BMW MINI

Preformed seal that seals the intake pipe to the turbo inlet - 75x4.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5339259
Mfg#:
593.200
Special Order: No Guaranteed ETA
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5339193 - 076.450 - Valve cover gasket - Main rubber gasket to the valve cover - Elring - BMW MINI

Main rubber gasket to the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5339193
Mfg#:
076.450
Special Order: No Guaranteed ETA
$41.99 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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