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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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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

Round Magnetic Parts Tray, 4 3/8" Diameter

ES#1899375 - PM-110 - Round Magnetic Parts Tray, 4 3/8" Diameter - Polished stainless steel construction - rubber coated magnetic base - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Polished stainless steel construction - rubber coated magnetic base 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
1899375
Mfg#:
PM-110
In Stock
ON SALE! SAVE 52%
$20.99

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

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid InBoostin Controller & Wideband Gauge Kit

ES#4007912 - inn3882 - Solenoid InBoostin Controller & Wideband Gauge Kit - All-in-one intelligent boost controller and wideband air/fuel ratio controller - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

All-in-one intelligent boost controller and wideband air/fuel ratio controller

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4007912
Mfg#:
INN3882
In Stock at Vendor
13% off MSRP

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

$549.99

This product was last offered at the strikethrough price on
10-21-2026

$479.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3/8" Drive Ratchet

ES#2765896 - 005985SCH01A - 3/8" Drive Ratchet - 72 tooth gear mechanism, utilizing only 5 degrees of movement between gears - particularly helpful in tight areas with low range of motion! - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

72 tooth gear mechanism, utilizing only 5 degrees of movement between gears - particularly helpful in tight areas with low range of motion! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2765896
Mfg#:
005985SCH01A
In Stock
ON SALE! SAVE 30%
$20.99

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

$14.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Single Filament Bulb - Priced Each

ES#174563 - 63217160790 - Single Filament Bulb - Priced Each - 12v 21w - Genuine BMW - Audi BMW Volkswagen Mercedes Benz MINI Porsche

12v 21w

Brand:
Genuine BMW - Corporate Logo
ES#:
174563
Mfg#:
63217160790
In Stock
$9.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Black Mechanics Work Gloves - XL

ES#2808554 - 010337SCH03A - Schwaben Black Mechanics Work Gloves - XL - Protection for your hands while you work. No more scrapes and cuts. - Schwaben - Audi
ECS Tuning recommends this product.

Protection for your hands while you work. No more scrapes and cuts. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2808554
Mfg#:
010337SCH03A
In Stock
ON SALE! SAVE 25%
$22.99

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

$17.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TPMS Service Starter Kit - Rubber

ES#4766043 - t10001KT - TPMS Service Starter Kit - Rubber - This kit comes with the new T2000 TPMS Tool and 4 rubber sensors to get you started on your TPMS game! Activate OEM TPMS sensors, retrieve TPMS sensor data, relearn sensor IDs, and program Foxwell T10 TPMS sensors (included)! - Schwaben by Foxwell - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This kit comes with the new T2000 TPMS Tool and 4 rubber sensors to get you started on your TPMS game! Activate OEM TPMS sensors, retrieve TPMS sensor data, relearn sensor IDs, and program Foxwell T10 TPMS sensors (included)! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with factory direct tire pressure monitoring sensors only

Brand:
Schwaben by Foxwell - Corporate Logo
ES#:
4766043
Mfg#:
T10001KT
In Stock
ON SALE! SAVE 25%
$313.99

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

$236.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Triple Square XZN Impact Socket Set

ES#3673963 - B8800129 - Triple Square XZN Impact Socket Set - A 6-piece set. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

A 6-piece set. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673963
Mfg#:
B8800129
In Stock
ON SALE! SAVE 15%
$36.99

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

$31.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flex XC 3401 VR rotary Polisher

ES#2762740 - XC3401VR - Flex XC 3401 VR rotary Polisher - Featuring a permanent direct drive for an even polished surface - SONAX - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Featuring a permanent direct drive for an even polished surface

Brand:
SONAX - Corporate Logo
ES#:
2762740
Mfg#:
XC3401VR
Back Ordered
$508.99

This product was last offered at the strikethrough price on
06-16-2026

$469.99 USD
Free Shipping

SONAX Upholstery & Alcantara Cleaner - 250ml

ES#2762751 - 206141 - SONAX Upholstery & Alcantara Cleaner - 250ml - Used to clean Alcantara accessories, interior, and everything in-between - SONAX - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Used to clean Alcantara accessories, interior, and everything in-between

Brand:
SONAX - Corporate Logo
ES#:
2762751
Mfg#:
206141
Ships in 4 Business Days
$19.99 USD
Free Shipping
on orders $49 and up

Schwaben Self-Adjusting Wire Crimper & Stripper Pliers

ES#4826864 - 3774SCH01A - Schwaben Self-Adjusting Wire Crimper & Stripper Pliers - Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
4826864
Mfg#:
3774SCH01A
In Stock
ON SALE! SAVE 15%
$22.99

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

$19.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.5" Stainless Steel V-band Assembly - Priced Each

ES#4007186 - 028092ecs04aKT - 2.5" Stainless Steel V-band Assembly - Priced Each - Create a leak-proof connection for your custom exhaust project. Features locating ring for ease of alignment. - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Create a leak-proof connection for your custom exhaust project. Features locating ring for ease of alignment. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4007186
Mfg#:
028092ECS04AKT
In Stock
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compact Fluid Cooler With 5/16" Or 8mm Connections

ES#3639612 - 034-406-Z002 - Compact Fluid Cooler With 5/16" Or 8mm Connections - Small compact cooler for powersteering, transmission, fuel or oil use. - 034Motorsport - Audi Volkswagen

Small compact cooler for powersteering, transmission, fuel or oil use. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3639612
Mfg#:
034-406-Z002
In Stock
$78.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hightec SYNTH RS SAE 5W-40 - 1 Liter

ES#4919993 - 20001-0010-99 - Hightec SYNTH RS SAE 5W-40 - 1 Liter - Fully synthetic, multi-grade, low-viscosity premium engine oil. - ROWE - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully synthetic, multi-grade, low-viscosity premium engine oil.

Brand:
ROWE - Corporate Logo
ES#:
4919993
Mfg#:
20001-0010-99
Ships in 5 Business Days
$19.49 USD
Free Shipping
on orders $49 and up

3/8"(9mm) Band Hose Clamp - 50-70mm

ES#2960809 - 003402ECS06A-12 - 3/8"(9mm) Band Hose Clamp - 50-70mm - German-style 304 stainless hose clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

German-style 304 stainless hose clamp 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2960809
Mfg#:
003402ECS06A-12
In Stock
ON SALE! SAVE 43%
$6.99

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

$4.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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