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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 Parts

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Sneed4Speed Adjustable Tensioner Stop - Orange

ES#4674389 - 53BTS - Sneed4Speed Adjustable Tensioner Stop - Orange - Replace your broken or worn out stock belt tensioner dampener on your Supercharged MINI! - Sneed4Speed - MINI

Replace your broken or worn out stock belt tensioner dampener on your Supercharged MINI! Sneed4Speed is now exclusively at ECS Tuning

Brand:
Sneed4Speed - Corporate Logo
ES#:
4674389
Mfg#:
53BTS
Ships in 6 Business Days
$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat - 180°F

ES#2765149 - MMTSWRA03L - Racing Thermostat - 180F - Opens at a lower temperature (180F) than standard thermostats - Mishimoto - MINI

Opens at a lower temperature (180°F) than standard thermostats

Brand:
Mishimoto - Corporate Logo
ES#:
2765149
Mfg#:
MMTSWRA03L
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Left - Mirror

ES#4146842 - 026732TMS02-16 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Left - Mirror - Left - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Left - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146842
Mfg#:
026732TMS02-16
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 10%
$133.99

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

$120.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JCW Kit Air Filter

ES#35212 - 13717558382 - JCW Kit Air Filter - Improve performance and fuel economy with a new air filter - Genuine MINI - MINI

Improve performance and fuel economy with a new air filter For John Cooper Works kit

Brand:
Genuine MINI - Corporate Logo
ES#:
35212
Mfg#:
13717558382
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.

$112.92

This product was last offered at the strikethrough price on
07-20-2026

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Mirror

ES#4146841 - 026732TMS02-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Mirror - Right - Mirror Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Mirror Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146841
Mfg#:
026732TMS02-02
In Stock
ON SALE! SAVE 10%
$126.99

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

$114.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

77.50mm Piston Ring Kit GNH7750

ES#3553244 - GNH7750 - 77.50mm Piston Ring Kit GNH7750 - Set of rings for one piston in 77.50mm size, For supertech pistons only. - Supertech - MINI

Set of rings for one piston in 77.50mm size, For supertech pistons only.

Brand:
Supertech - Corporate Logo
ES#:
3553244
Mfg#:
GNH7750
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Head Stud Kit - R53

ES#4920106 - 53HSK - Head Stud Kit - R53 - Performance Hardware to secure the head to the engine block - Sneed4Speed - MINI

Performance Hardware to secure the head to the engine block

Brand:
Sneed4Speed - Corporate Logo
ES#:
4920106
Mfg#:
53HSK
Ships in 1 Business Day
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Direct-Fit Exhaust Manifold - HM Grade

ES#2615271 - 50859 - Direct-Fit Exhaust Manifold - HM Grade - Keep your emissions in check - Magnaflow - MINI

Keep your emissions in check 48-state legal - not for sale or use in California

Brand:
Magnaflow - Corporate Logo
ES#:
2615271
Mfg#:
50859
Back Ordered
$907.00 USD
Free Shipping

Pro Series Connecting Rod Bolts

ES#3494029 - 206-6008 - Pro Series Connecting Rod Bolts - High Strength ARP head studs - ARP - MINI

High Strength ARP head studs 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
3494029
Mfg#:
206-6008
Ships on Aug 14, 2026
Auto Notify
$74.99 USD
Free Shipping

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.

Brand:
Race Chip - Corporate Logo
ES#:
4429716
Mfg#:
999981
Ships on Aug 17, 2026
$299.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 8GPH

ES#4362075 - SN0-N0800 - Water/Methanol Nozzle - 8GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4362075
Mfg#:
SN0-N0800
In Stock
$31.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Kit - Aluminum

ES#3168390 - 80-272KT - Expansion Tank Kit - Aluminum - Upgrade to Canton on your MINI in this kit - Canton Racing - MINI

Upgrade to Canton on your MINI in this kit

Brand:
Canton Racing - Corporate Logo
ES#:
3168390
Mfg#:
80-272KT
In Stock
$223.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Exhaust Wrap - Lava

ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock
Starting at $29.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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