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2023 MINI Cooper John Cooper Works Convertible B46D

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2023 MINI Cooper John Cooper Works Convertible B46D Engine Parts & Accessories

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Powerflex Upper Engine Mount Inserts - Race

ES#4456847 - PFF5-1321R - Powerflex Upper Engine Mount Inserts - Race - Stiffer bushings will allow smoother movement, this is for track MINIs/BMWs or daily/race modified - Powerflex Black Series - MINI

Stiffer bushings will allow smoother movement, this is for track MINIs/BMWs or daily/race modified affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4456847
Mfg#:
PFF5-1321R
In Stock
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Cap Cover Piano Black

ES#4440332 - 51712457412 - Fuel Cap Cover Piano Black - Covers over the gas cap itself in the cover pot, Blackline upgrade. Peel and stick - ECS - MINI

Covers over the gas cap itself in the cover pot, Blackline upgrade. Peel and stick affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4440332
Mfg#:
51712457412
In Stock
ON SALE! SAVE 10%
$107.99

This product was last offered at the strikethrough price on
06-13-2026

$97.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - B46/B48

ES#4845650 - B48-WPC-RB - WPC-Treated Race Series Rod Bearing Set - B46/B48 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW MINI

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845650
Mfg#:
B48-WPC-RB
In Stock
Limited Qty Sale
$475.99

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

$354.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Direct Fit Catalytic Converter Replacement

ES#3998977 - 47-46306 - Direct Fit Catalytic Converter Replacement - Replaces the stock downpipe - AFE - BMW MINI

Replaces the stock downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3998977
Mfg#:
47-46306
Back Ordered
20% off MSRP

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

$1311.99

This product was last offered at the strikethrough price on
06-25-2026

$1049.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Seal Repair Kit - Exhaust

ES#4070856 - 11340035853 - Valve Seal Repair Kit - Exhaust - Stop burning oil at start-up - Corteco - BMW MINI

Stop burning oil at start-up affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Corteco - Corporate Logo
ES#:
4070856
Mfg#:
11340035853
In Stock
$33.99

This product was last offered at the strikethrough price on
02-24-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Uprated Alloy Intercooler For MINI Cooper JCW Turbo

ES#3154181 - FMINT7 - Uprated Alloy Intercooler For MINI Cooper JCW Turbo - Upgrade to Forge on your MINI - Forge - MINI

Upgrade to Forge on your MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3154181
Mfg#:
FMINT7
Ships in 3 Business Days
$1024.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Position 0258027083

ES#3698417 - 11788600992 - Oxygen Sensor - Front Position 0258027083 - Cure your poor gas mileage by replacing your worn oxygen sensors - Bosch - MINI

Cure your poor gas mileage by replacing your worn oxygen sensors 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:
Bosch - Corporate Logo
ES#:
3698417
Mfg#:
11788600992
In Stock at Vendor
$173.99

This product was last offered at the strikethrough price on
05-07-2026

$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Ni-Mh

ES#2683703 - 84109297787 - Battery Ni-Mh - Powers the telemetrics control unit. - Genuine BMW - BMW MINI

Powers the telemetrics control unit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2683703
Mfg#:
84109297787
In Stock
4% off MSRP

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

$52.99

This product was last offered at the strikethrough price on
06-25-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#3421777 - 12138643360 - Ignition Coil - Priced Each - Give your MINI engine a new spark - Genuine MINI - MINI

Give your MINI engine a new spark affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
3421777
Mfg#:
12138643360
Ships in 1 day
10% off MSRP

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

$100.99

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

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B48 Cryo Timing Chain Kit

ES#4760016 - BSCTCK - B48 Cryo Timing Chain Kit - Needed to replace the timing chain in your MINI, All chains cryo hardened - Sneed4Speed - MINI

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

Brand:
Sneed4Speed - Corporate Logo
ES#:
4760016
Mfg#:
BSCTCK
Ships in 1 Business Day
$499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Support Bracket / Mount

ES#4505150 - 22316853449 - Transmission Support Bracket / Mount - Keep your MINI shifts smooth and without vibrations - URO - BMW MINI

Keep your MINI shifts smooth and without vibrations 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!
Automatic Transmissions

Brand:
URO - Corporate Logo
ES#:
4505150
Mfg#:
22316853449
In Stock
ON SALE!
$69.99

This product was last offered at the strikethrough price on
06-25-2026

$66.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B46 High Flow Catted Downpipe - Thermal Coated Black Finish

ES#4659397 - MI-EXH001TBCAT - B46 High Flow Catted Downpipe - Thermal Coated Black Finish - High performance 200 Cell catalytic - Evolution Racewerks - MINI

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

Brand:
Evolution Racewerks - Corporate Logo
ES#:
4659397
Mfg#:
MI-EXH001TBCAT
Ships in 8 Business Days
$995.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank Cap

ES#4504673 - 17135A1BD89 - Engine Coolant Expansion Tank Cap - Replacement expansion tank cap for your MINI - Genuine MINI - BMW MINI

Replacement expansion tank cap for your MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4504673
Mfg#:
17135A1BD89
In Stock
26% off MSRP

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

$34.99

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

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HD Water pump

ES#4487414 - 11518623574 - HD Water pump - Upgraded seals. Keep your coolant flowing properly and your engine temperature under control! - Meyle HD - BMW MINI

Upgraded seals. Keep your coolant flowing properly and your engine temperature under control! 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! 4-year warranty on all MEYLE-HD parts. Engineered and quality approved in Germany.

Brand:
Meyle HD - Corporate Logo
ES#:
4487414
Mfg#:
11518623574
In Stock
ON SALE!
$101.99

This product was last offered at the strikethrough price on
12-29-2025

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OEM Grade Direct-Fit Catalytic Converter / Downpipe

ES#4866105 - 52929 - OEM Grade Direct-Fit Catalytic Converter / Downpipe - Replaces the stock downpipe - Magnaflow - BMW MINI

Replaces the stock downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
48-state legal - not for sale or use in California

Brand:
Magnaflow - Corporate Logo
ES#:
4866105
Mfg#:
52929
Back Ordered
$943.00 USD
Free Shipping
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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