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2023 MINI Cooper S 3 Door B46C

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2023 MINI Cooper S 3 Door B46C Engine Parts & Accessories

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Turbocharger With Manifold And Gasket

Whether you're fighting a dreaded wastegate rattle or just trying to restore punch to your turbocharged BMW or Mini, a failing turbocharger is an immediate issue 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#:
5481856
Mfg#:
11658626637KT2
In Stock
$1315.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Kit - One Piston ( 0 Size )

ES#4012621 - 11258678931 - Piston Kit - One Piston ( 0 Size ) - 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#:
4012621
Mfg#:
11258678931
Ships in 6 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.

$403.99

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

$375.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger - New B46C

ES#4012676 - 11658662072 - Turbocharger - New B46C - Replacement factory turbocharger - Genuine MINI - MINI

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

Brand:
Genuine MINI - Corporate Logo
ES#:
4012676
Mfg#:
11658662072
Ships in 6 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.

$3598.99

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

$3351.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap Cover - Aspen White

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

Breather Line

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

Coolant Hose Connector - Plastic

Located on the side of the engine block, includes gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5446086
Mfg#:
11118511205P
Ships in 7 Business Days
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ON SALE! SAVE 20%
$15.99

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

$12.79 USD

ALTERNATOR Generator

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
180A

Brand:
Genuine MINI - Corporate Logo
ES#:
4374926
Mfg#:
12315A157A9
Ships in 9 Business Days
10% off MSRP

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

$1082.99

This product was last offered at the strikethrough price on
01-07-2026

$979.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine - New Reman

Includes a 2200.00 Core charge, Factory built B48 2.0L engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4759416
Mfg#:
11002455333KT
Ships in 9 Business Days
$12220.99

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

$12192.99 USD

Supertech Exhaust Valve - Priced Each 29.5mm (+1) Plus Size

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

Supertech Exhaust Valve - Priced Each 28.5mm Standard Size

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

Performance Valve Springs Kit - Set Of 16 - Higher LBS/MM Spring

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

Forged Pistons (Set Of 4) - 82.50mm (0.5mm+) P4-MINB48-825-CR11-4

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

Supertech Intake Valve - Priced Each 31.10 (+1) Plus Sized

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

Performance Valve Springs Kit - Set Of 12

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

Supertech Intake Valve Guide - Priced Each 10.045 (+0.015) Plus Sized

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

ARP Main Stud Kit

High strength ARP main 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#:
5396064
Mfg#:
201-5404
Ships on Jul 14, 2026
$152.99 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.

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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