Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

2003 MINI Cooper S Coupe L4 1.6L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 2003 MINI Cooper S Coupe L4 1.6L
Your Vehicle 2003 MINI Cooper S Coupe L4 1.6L
Change Clear

2003 MINI Cooper S Coupe L4 1.6L Most Popular Parts

Sort By
Filter By
Return to Top

Billet Magnetic Oil Drain Plug Kit

ES#4499602 - 034-110-2000 - Billet Magnetic Oil Drain Plug Kit - Capture harmful particles to prevent wear. M14x1.5 - 034Motorsport - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5

Brand:
034Motorsport - Corporate Logo
ES#:
4499602
Mfg#:
034-110-2000
In Stock
$22.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

P/S Line Repair Kit

ES#2808750 - 32416781744KT3 - P/S Line Repair Kit - Includes everything you need to replace both upper power steering lines to the reservoir - Assembled By ECS - MINI

Includes everything you need to replace both upper power steering lines to the reservoir 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2808750
Mfg#:
32416781744KT3
In Stock
ON SALE!
$103.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing With Heat Exchanger Kit - Priced As Kit

ES#24050 - 11427562250 - Oil Filter Housing With Heat Exchanger Kit - Priced As Kit - Replace your cracked and leaking housing - Genuine MINI - MINI

Replace your cracked and leaking housing Manual Transmissions

Brand:
Genuine MINI - Corporate Logo
ES#:
24050
Mfg#:
11427562250
Ships in 3 Business Days
16% off MSRP

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

$466.98

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

$393.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MINI Cooper S R53 Motorsport Version Intercooler Kit

ES#3463040 - GRS1 - MINI Cooper S R53 Motorsport Version Intercooler Kit - Race series developed largest intercooler that is great for the track and the street - GRS Motorsport - MINI

Race series developed largest intercooler that is great for the track and the street

Brand:
GRS Motorsport - Corporate Logo
ES#:
3463040
Mfg#:
GRS1
Ships in 7 Business Days
$649.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Screw Cap & Schwaben Removal Tool Kit

ES#3184755 - 16116762417KT - Screw Cap & Schwaben Removal Tool Kit - Repair and replace the fuel ring, do it correctly with this tool - Assembled By ECS - BMW MINI

Repair and replace the fuel ring, do it correctly with this tool 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184755
Mfg#:
16116762417KT
In Stock
ON SALE! SAVE 15%
$106.99

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

$90.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Single Mass Flywheel Conversion Kit 52151203 Valeo With Seals/Guide Tube - Deluxe Kit

ES#4067131 - 52151203ktKT1 - Single Mass Flywheel Conversion Kit 52151203 Valeo With Seals/Guide Tube - Deluxe Kit - DMf (Dual Mass Flywheel) to Single Conversion Kit with clutch and pressure plate, comes with extra seals and guide tube to finish the conversion. Plus Brake Fluid, Manual Transmission Fluid and 2 Transmission Drain Plugs. ECS Exclusive Kit!! - Assembled By ECS - MINI

DMf (Dual Mass Flywheel) to Single Conversion Kit with clutch and pressure plate, comes with extra seals and guide tube to finish the conversion. Plus Brake Fluid, Manual Transmission Fluid and 2 Transmission Drain Plugs. ECS Exclusive Kit!! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4067131
Mfg#:
52151203KTKT1
In Stock
$790.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

SNEED4SPEED MINI Cooper W11 Performance Engine - Street 53SCE

ES#3438608 - 2028211KT - SNEED4SPEED MINI Cooper W11 Performance Engine - Street 53SCE - Rebuilt performance engines that are great for the street to track level, Block is no longer painted, you will have to paint it yourself. - Sneed4Speed - MINI

Rebuilt performance engines that are great for the street to track level, Block is no longer painted, you will have to paint it yourself. Engine if not in stock here or at S4S will take 30-45 days to build, ETA on site is estimate

Brand:
Sneed4Speed - Corporate Logo
ES#:
3438608
Mfg#:
2028211KT
Ships in 2 Business Days
$6295.00 USD

Koni Special Active Shock Rear - Priced Each 8045-1232

ES#3560584 - 80451232 - Koni Special Active Shock Rear - Priced Each 8045-1232 - Newer design with FSD Active Technology - Koni - MINI

Newer design with FSD Active Technology

Brand:
Koni - Corporate Logo
ES#:
3560584
Mfg#:
80451232
In Stock
38% off MSRP

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

$312.98

This product was last offered at the strikethrough price on
08-16-2026

$192.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Rear Shock Top Bushing Set

ES#2651636 - PFR5-115x2 - Performance Polyurethane Rear Shock Top Bushing Set - A firmer feel over stock for better handling characteristics, if you have aftermarket shocks/coilovers you might have to use their sleeve and use just the rubber inserts - Powerflex - MINI

A firmer feel over stock for better handling characteristics, if you have aftermarket shocks/coilovers you might have to use their sleeve and use just the rubber inserts

Brand:
Powerflex - Corporate Logo
ES#:
2651636
Mfg#:
PFR5-115X2
In Stock
ON SALE! SAVE 15%
$68.99

This product was last offered at the strikethrough price on
08-14-2026

$58.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SNEED4SPEED Race Axle - Left

ES#3427251 - 1028610 - SNEED4SPEED Race Axle - Left - Upgraded replacement axles that are great for the street and the track - Sneed4Speed - MINI

Upgraded replacement axles that are great for the street and the track Manual Transmissions , Sneed4Speed is now exclusively at ECS Tuning
Manual Transmissions

Brand:
Sneed4Speed - Corporate Logo
ES#:
3427251
Mfg#:
1028610
Ships in 5 Business Days
$304.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Single Mass Flywheel Conversion Kit 52151203 Valeo With Seals/Guide Tube

ES#3469345 - 52151203KT - Single Mass Flywheel Conversion Kit 52151203 Valeo With Seals/Guide Tube - DMf (Dual Mass Flywheel) to Single Conversion Kit with clutch and pressure plate, comes with extra seals and guide tube to finish the conversion. ECS Exclusive Kit!! R53/R52 Supercharged Engines Only. - Assembled By ECS - MINI
ECS Tuning recommends this product.

DMf (Dual Mass Flywheel) to Single Conversion Kit with clutch and pressure plate, comes with extra seals and guide tube to finish the conversion. ECS Exclusive Kit!! R53/R52 Supercharged Engines Only. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3469345
Mfg#:
52151203KT
In Stock
$674.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solo-Werks S1 Coilovers

ES#3418643 - S1MN001 - Solo-Werks S1 Coilovers - Set your vehicle low and tight for optimal performance! - Solo-Werks - MINI

Set your vehicle low and tight for optimal performance!

Brand:
Solo-Werks - Corporate Logo
ES#:
3418643
Mfg#:
S1MN001
In Stock
$549.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manifold/Downpipe/Header with High Flow Sports Catalyst

Throaty exhaust tone, a bump in power, all from a free flowing header and cat combo

Brand:
Scorpion - Corporate Logo
ES#:
3674911
Mfg#:
SMNX014
Ships in 1 Business Day
$1005.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ALTA Rear Swaybar - 22mm

ES#3103058 - AMPSUS310 - ALTA Rear Swaybar - 22mm - Immediately notice a reduction in body roll when cornering - Alta Performance - MINI

Immediately notice a reduction in body roll when cornering

Brand:
Alta Performance - Corporate Logo
ES#:
3103058
Mfg#:
AMPSUS310
Back Ordered
Auto Notify
$283.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings