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2003 MINI Cooper S Coupe L4 1.6L

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2003 MINI Cooper S Coupe L4 1.6L Performance Engine & Drivetrain Parts

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Stage 3 Boost Cooler (Direct Injection) - Braided Line

Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3557781
Mfg#:
SN0-320-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water Methanol Check Valve

ES#3988118 - Sn0-8cv-qc - High Flow Water Methanol Check Valve - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3988118
Mfg#:
SN0-8CV-QC
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

REVIN Short Shifter Mini R53/R56 Street Version

Ditch the sluggish stock shifter and elevate your driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Pre-facelift Mini (up to 12/2003) will require shift cables to be installed

Brand:
REVIN - Corporate Logo
ES#:
4810996
Mfg#:
R53/R56-S-SSK
Back Ordered
Starting at $756.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve

ES#4714530 - BMSWMITC - BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve - The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714530
Mfg#:
BMSWMITC
In Stock
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty 6-Pad Sprung Racing Clutch Kit

ES#3437991 - BM2-HDG6 - Heavy Duty 6-Pad Sprung Racing Clutch Kit - Perfect for aggressive drag and road racing demands. Conservatively rated up to 345 ft/lbs torque capacity. - ACT - MINI

Perfect for aggressive drag and road racing demands. Conservatively rated up to 345 ft/lbs torque capacity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires new single mass flywheel 600315

Brand:
ACT - Corporate Logo
ES#:
3437991
Mfg#:
BM2-HDG6
Ships in 7 Business Days
$693.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - no tank

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Street Sprung Modified Clutch Kit

ES#3437995 - BM2-HDSS - Heavy Duty Street Sprung Modified Clutch Kit - Perfect for street and occasional racing demands. Conservatively rated up to 270 ft/lbs torque capacity. - ACT - MINI

Perfect for street and occasional racing demands. Conservatively rated up to 270 ft/lbs torque capacity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires new single mass flywheel 600315

Brand:
ACT - Corporate Logo
ES#:
3437995
Mfg#:
BM2-HDSS
In Stock at Vendor
$673.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty 6-Pad Ridgid Racing Clutch Kit

ES#3437994 - BM2-HDR6 - Heavy Duty 6-Pad Ridgid Racing Clutch Kit - Perfect for aggressive drag and road racing demands. Conservatively rated up to 345 ft/lbs torque capacity. - ACT - MINI

Perfect for aggressive drag and road racing demands. Conservatively rated up to 345 ft/lbs torque capacity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires new single mass flywheel 600315

Brand:
ACT - Corporate Logo
ES#:
3437994
Mfg#:
BM2-HDR6
Ships in 7 Business Days
$647.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty 4-Pad Sprung Racing Clutch Kit

ES#3437990 - BM2-HDG4 - Heavy Duty 4-Pad Sprung Racing Clutch Kit - Perfect for aggressive racing demands. Conservatively rated up to 345 ft/lbs torque capacity. - ACT - MINI

Perfect for aggressive racing demands. Conservatively rated up to 345 ft/lbs torque capacity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires new single mass flywheel 600315

Brand:
ACT - Corporate Logo
ES#:
3437990
Mfg#:
BM2-HDG4
Ships in 7 Business Days
$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M7 Lightweight Crank Pulley - 4% Overdrive

ES#3088920 - 53-3M7101-4 - M7 Lightweight Crank Pulley - 4% Overdrive - Increasing crank pulley will add just that little extra added supercharger boost - M7 Speed - MINI

Increasing crank pulley will add just that little extra added supercharger boost affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
M7 Speed - Corporate Logo
ES#:
3088920
Mfg#:
53-3M7101-4
Back Ordered
Auto Notify
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip XLR Throttle Controller With App Control

ES#4429716 - 999981 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control. - Race Chip - BMW MINI

Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4429716
Mfg#:
999981
Ships on Jul 2, 2026
$299.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Gearbox Bushing Set

ES#2650525 - PFF5-108 - Performance Polyurethane Gearbox Bushing Set - Stiffer bushings will allow smoother movement - Powerflex - MINI

Stiffer bushings will allow smoother movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2650525
Mfg#:
PFF5-108
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
Ships in 4 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 14GPH

ES#4505337 - SN0-N1400 - Water/Methanol Nozzle - 14GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4505337
Mfg#:
SN0-N1400
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 10GPH

ES#4376610 - SN0-N1000 - Water/Methanol Nozzle - 10GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4376610
Mfg#:
SN0-N1000
In Stock
$31.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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