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BMW E46 Performance Parts & Upgrades

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ES#4000579 - 029307ECS01 - ECS Performance Adjustable Coilover System - E46 Non-M - Improve the Comfort, Performance, and Style of your E46! - ECS - BMW
ECS Tuning recommends this product.

Improve the Comfort, Performance, and Style of your E46! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000579
Mfg#:
029307ECS01
In Stock
ON SALE! SAVE 36%
$1223.99

This product was last offered at the strikethrough price on
11-07-2026

$779.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4146497 - 003313TMS01KT5 - CSL Style Intake Kit - 6MT - Matte - Includes everything needed to install this legendary intake on your car! - Turner Motorsport - BMW
ECS Tuning recommends this product.

Includes everything needed to install this legendary intake on your car! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146497
Mfg#:
003313TMS01KT5
In Stock
ON SALE! SAVE 25%
$2957.99

This product was last offered at the strikethrough price on
11-07-2026

$2218.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4872326 - b50056KT - High-Performance Ignition Coil - Set Of 6 - Modified core windings offer increased spark for a faster and more efficient burn. - Bavarian Autosport - BMW

Modified core windings offer increased spark for a faster and more efficient burn. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4872326
Mfg#:
B50056KT
In Stock
ON SALE! SAVE 30%
$179.99

This product was last offered at the strikethrough price on
11-07-2026

$125.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581452 - 888010330 - High Performance Water Pump - With O-Ring - Stainless steel impeller and 20% increase in flow! - Stewart Components - BMW

Stainless steel impeller and 20% increase in flow! When it comes to cooling, Stewart is the final word in high performance pumps. The ultimate in BMW cooling with a limited lifetime warranty!

Brand:
Stewart Components - Corporate Logo
ES#:
2581452
Mfg#:
888010330
In Stock
$219.99

This product was last offered at the strikethrough price on
06-15-2026

$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4027512 - 003313TMS01KT3 - CSL Style Intake Kit - 6MT - Gloss - Includes everything needed to install this legendary intake on your car! - Turner Motorsport - BMW
ECS Tuning recommends this product.

Includes everything needed to install this legendary intake on your car! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4027512
Mfg#:
003313TMS01KT3
In Stock
ON SALE! SAVE 30%
$2957.99

This product was last offered at the strikethrough price on
11-07-2026

$2070.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3509398 - I-02-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - BMW

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! For coupe and sedan models only

Brand:
BC Racing - Corporate Logo
ES#:
3509398
Mfg#:
I-02-BR
In Stock
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4830466 - 008363LA02DB - M52TU/M54 Heavy Duty Expansion Tank with Mechanical Thermostat Conversion Kit - Doorbusters - BMW

Our Doorbuster deals are in limited supply at these prices. Get yours while they're in stock! Can't find the perfect bundle? Call or chat with us to build a custom one. 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Doorbusters - Corporate Logo
ES#:
4830466
Mfg#:
008363LA02DB
In Stock
ON SALE! SAVE 26%
$805.98

This product was last offered at the strikethrough price on
11-07-2026

$599.00 USD
ES#4659317 - 023536la02KT - E46 325/330 Performance Valved Cat-Back Exhaust - Lightweight performance exhaust for your E46, featuring a valved muffler and controller to change the sound with the click of a button. - Turner Motorsport - BMW
ECS Tuning recommends this product.

Lightweight performance exhaust for your E46, featuring a valved muffler and controller to change the sound with the click of a button. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Cars without factory exhaust valve will require a vacuum source for the valve controller.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4659317
Mfg#:
023536LA02KT
In Stock
ON SALE! SAVE 15%
$1249.07

This product was last offered at the strikethrough price on
11-07-2026

$1061.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4733391 - 053153LA01 - Adjustable Front Sway Bar End Links - 215-275mm - An essential performance upgrade for lowered suspensions or a durable heavy-duty OE replacement. - ECS - BMW MINI

An essential performance upgrade for lowered suspensions or a durable heavy-duty OE replacement. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
Please measure before purchasing. For lowered or custom applications. Will not fit factory suspension. 215-275 length adjustment range.

Brand:
ECS - Corporate Logo
ES#:
4733391
Mfg#:
053153LA01
In Stock
ON SALE! SAVE 25%
$183.99

This product was last offered at the strikethrough price on
11-07-2026

$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3677674 - 12131703228pKT - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and BAV Auto ignition coils - Assembled By ECS - BMW
ECS Tuning recommends this product.

Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and BAV Auto ignition coils 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677674
Mfg#:
12131703228PKT
In Stock
ON SALE! SAVE 30%
$238.99

This product was last offered at the strikethrough price on
11-07-2026

$166.86 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2770848 - 000282ECS01KT - Single-Mass Flywheel Conversion Kit - With Sachs Clutch - Ditch the factory dual-mass flywheel to improve throttle response and acceleration - the perfect setup for daily-driven vehicles with up to 400 lbs-ft of torque. - ECS - BMW

Ditch the factory dual-mass flywheel to improve throttle response and acceleration - the perfect setup for daily-driven vehicles with up to 400 lbs-ft of torque. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2770848
Mfg#:
000282ECS01KT
Ships on Mar 5, 2027
ON SALE! SAVE 10%
$1069.99

This product was last offered at the strikethrough price on
11-07-2026

$962.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4000580 - 029308ECS01 - E46 M3 ECS Performance Adjustable Coilover System - Improve the Comfort, Performance, and Style of your E46 M3! - ECS - BMW
ECS Tuning recommends this product.

Improve the Comfort, Performance, and Style of your E46 M3! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000580
Mfg#:
029308ECS01
In Stock
ON SALE! SAVE 32%
$1152.99

This product was last offered at the strikethrough price on
11-07-2026

$779.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3509408 - I-14-BR - BR Series Coilover Suspension Kit - E46 M3 - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - BMW

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!

Brand:
BC Racing - Corporate Logo
ES#:
3509408
Mfg#:
I-14-BR
In Stock
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4690219 - 008363LA02 - M52TU/M54 Heavy Duty Aluminum Expansion Tank Kit - As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! - Turner Motorsport - BMW
ECS Tuning recommends this product.

As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690219
Mfg#:
008363LA02
In Stock
ON SALE! SAVE 50%
$499.99

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

$248.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2682175 - 002608ECS01 - ECS Tuning Performance Adjustable Rear Control Arm Set - Properly dial in rear camber. A must for all enthusiasts that care about handling and tire wear. - ECS - BMW

Properly dial in rear camber. A must for all enthusiasts that care about handling and tire wear. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2682175
Mfg#:
002608ECS01
In Stock
ON SALE! SAVE 35%
$458.99

This product was last offered at the strikethrough price on
11-07-2026

$298.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4876067 - 008682LA02 - E46 M3 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW
ECS Tuning recommends this product.

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876067
Mfg#:
008682LA02
In Stock
ON SALE! SAVE 30%
$575.16

This product was last offered at the strikethrough price on
11-07-2026

$402.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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