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BMW M3 Performance Engine Parts

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Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen MINI

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ethanol 360 Fittings - 5/16" (7.89mm)

ES#4690255 - 601-0240 - Ethanol 360 Fittings - 5/16" (7.89mm) - Designed to work in almost any application where you have 5/16" or 7.89mm quick connect fittings and need to add a flex fuel sensor! - Precision Raceworks - BMW

Designed to work in almost any application where you have 5/16" or 7.89mm quick connect fittings and need to add a flex fuel sensor! Universal Product - Please confirm your fuel line size prior to ordering

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690255
Mfg#:
601-0240
In Stock
$89.99 USD
Free Shipping
on orders $49 and up

High Flow Exhaust Mid-Pipes

ES#4668699 - D660-0094 - High Flow Exhaust Mid-Pipes - Introduces a more aggressive tone and an increase in volume over the stock system while retaining the factory muffler! - Dinan - BMW

Introduces a more aggressive tone and an increase in volume over the stock system while retaining the factory muffler! Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Dinan - Corporate Logo
ES#:
4668699
Mfg#:
D660-0094
Ships in 6 Business Days
ON SALE! SAVE 10%
$899.99

This product was last offered at the strikethrough price on
09-28-2026

$809.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S58 JB4 Performance Tuner

ES#4623439 - S58JB4-G8X - S58 JB4 Performance Tuner - Plug & play power Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures! - Burger Motorsports - BMW

Plug & play power — Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures!

Brand:
Burger Motorsports - Corporate Logo
ES#:
4623439
Mfg#:
S58JB4-G8X
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Performance Rear Muffler

ES#2827630 - SSXBM934 - E46 M3 Performance Rear Muffler - Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance. - Milltek Sport - BMW

Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance.

Brand:
Milltek Sport - Corporate Logo
ES#:
2827630
Mfg#:
SSXBM934
Back Ordered
$1592.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E36 Generation 3 Signature rear exhaust section

ES#3438784 - 11-001 - E36 Generation 3 Signature rear exhaust section - Weight savings and added power in a gorgeous package. - Active Autowerke - BMW

Weight savings and added power in a gorgeous package.

Brand:
Active Autowerke - Corporate Logo
ES#:
3438784
Mfg#:
11-001
In Stock
5% off MSRP

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

$999.00

This product was last offered at the strikethrough price on
10-25-2026

$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat Back Exhaust System

ES#4759495 - SSXBM131X - Performance Cat Back Exhaust System - Enhance the sound of your BMW's exhaust with this exhaust system from Milltek Sport - Milltek Sport - BMW

Enhance the sound of your BMW's exhaust with this exhaust system from Milltek Sport

Brand:
Milltek Sport - Corporate Logo
ES#:
4759495
Mfg#:
SSXBM131X
Ships on Nov 13, 2026
Starting at $3976.99 USD
Customize

ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit

ES#2918376 - 003779ECS06KT - ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit - Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can - ECS - Audi BMW Volkswagen MINI

Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2918376
Mfg#:
003779ECS06KT
In Stock
ON SALE! SAVE 25%
$95.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Polyurethane Engine Mounts

ES#3546790 - 003293TMS02 - Turner Motorsport Polyurethane Engine Mounts - Performance street & track engine mounts to increase drivetrain rigidity - Turner Motorsport - BMW

Performance street & track engine mounts to increase drivetrain rigidity 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3546790
Mfg#:
003293TMS02
In Stock
ON SALE!
Starting at $423.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S55 PURE1000 Turbo Upgrade

ES#5374324 - S55PURE1000 - S55 PURE1000 Turbo Upgrade - Capable of supporting 900+ wheel horsepower - Pure Turbos - BMW

Capable of supporting 900+ wheel horsepower

Brand:
Pure Turbos - Corporate Logo
ES#:
5374324
Mfg#:
S55PURE1000
Ships in 5 Business Days
$4663.99

This product was last offered at the strikethrough price on
07-14-2026

$4663.00 USD
Free Shipping
on orders $49 and up

F80 F82 M3/M4 Stainless Performance Cat-Back Exhaust - Valved

ES#4690398 - 025181TMSKT - F80 F82 M3/M4 Stainless Performance Cat-Back Exhaust - Valved - Transform the whole dynamic of your M3 or M4 with added performance, increased flow and not to mention the absolutely wicked sound you get from the upgraded Turner Performance Catback! - Turner Motorsport - BMW

Transform the whole dynamic of your M3 or M4 with added performance, increased flow and not to mention the absolutely wicked sound you get from the upgraded Turner Performance Catback! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690398
Mfg#:
025181TMSKT
In Stock
ON SALE! SAVE 26%
$2080.99

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

$1549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport E9X M3 S65 Carbon Intake Plenum

ES#4352120 - 013889LA01 - Turner Motorsport E9X M3 S65 Carbon Intake Plenum - Over 13 CFM more airflow than factory intake plenum! Beautiful Carbon Fiber construction with a roaring induction noise! - Turner Motorsport - BMW

Over 13 CFM more airflow than factory intake plenum! Beautiful Carbon Fiber construction with a roaring induction noise! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4352120
Mfg#:
013889LA01
In Stock
ON SALE! SAVE 20%
$2869.99

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

$2295.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S58 JB4Pro Performance Tuner

ES#5424817 - S58JB4PRO - S58 JB4Pro Performance Tuner - Plug & play power Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures! - Burger Motorsports - BMW

Plug & play power — Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures!

Brand:
Burger Motorsports - Corporate Logo
ES#:
5424817
Mfg#:
S58JB4PRO
Ships on Nov 11, 2026
$899.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 Pure Stage 2 High-Flow Turbo Upgrade

ES#3660757 - PURE-S55-0001KT - S55 Pure Stage 2 High-Flow Turbo Upgrade - Capable of producing 750+ WHP with supporting modifications - Includes refundable $1500 core charge - Pure Turbos - BMW

Capable of producing 750+ WHP with supporting modifications - Includes refundable $1500 core charge

Brand:
Pure Turbos - Corporate Logo
ES#:
3660757
Mfg#:
PURE-S55-0001KT
Ships in 5 Business Days
$5138.99

This product was last offered at the strikethrough price on
07-13-2026

$4495.00 USD
Free Shipping
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.

Let us help you find the parts that fit your BMW

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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