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BMW M3 Performance Engine Parts

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ES#5376378 - BBCAIS033 - BMW G8X M4 / M3 / M2 Cold Air Intake System - Upgrade your BMW M4, M3, or M2 today with the BlackBoost Cold Air Intake System and experience unparalleled performance gains, stunning aesthetics, and next-level engineering designed for true driving enthusiasts. - BlackBoost - BMW

Upgrade your BMW M4, M3, or M2 today with the BlackBoost Cold Air Intake System and experience unparalleled performance gains, stunning aesthetics, and next-level engineering designed for true driving enthusiasts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BlackBoost - Corporate Logo
ES#:
5376378
Mfg#:
BBCAIS033
Ships in 6 Business Days
$1899.00 USD
Free Shipping
on orders $49 and up
ES#4715651 - WMIK-S58 - BMS Water/Methanol Port Injection (WMI) Kit - S58 - Make tremendous amounts of power on pump gas! Everything you need to get started with WMI in one convenient kit. JB4 compatible, comes with your choice of tank color. - Burger Motorsports - BMW

Make tremendous amounts of power on pump gas! Everything you need to get started with WMI in one convenient kit. JB4 compatible, comes with your choice of tank color. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4715651
Mfg#:
WMIK-S58
Ships on Jul 7, 2026
Starting at $1899.00 USD
Free Shipping
on orders $49 and up
ES#4714702 - 1.25G-UMT-CL - 1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White - Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714702
Mfg#:
1.25G-UMT-CL
Ships on Jul 7, 2026
$69.00 USD
Free Shipping
on orders $49 and up
ES#4476368 - BMS-F-S55HE - F8x High Capacity Intercooler Heat Exchanger  - Direct bolt-in heat exchanger upgrade for your S55! - Burger Motorsports - BMW

Direct bolt-in heat exchanger upgrade for your S55! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4476368
Mfg#:
BMS-F-S55HE
Ships on Jul 7, 2026
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5425069 - JB4FPUS58 - JB4 Fuel Pressure Upgrade Kit - S58 - Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims - Burger Motorsports - BMW

Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
5425069
Mfg#:
JB4FPUS58
Ships on Jul 7, 2026
$175.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping
ES#5435054 - HX-0018 - CTS Turbo S58 Upgraded Heat Exchanger - Reduces intake air temps for greater power - CTS - BMW

Reduces intake air temps for greater power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
5435054
Mfg#:
HX-0018
Ships in 7 Business Days
$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3478468 - cor14568bKT - Corsa Sport Exhaust System - Black Tips  - An aggressive muscle car sound without the drone - Corsa - BMW

An aggressive muscle car sound without the drone affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes $75 in gift cards for future purchases!

Brand:
Corsa - Corporate Logo
ES#:
3478468
Mfg#:
COR14568BKT
Ships on Jul 10, 2026
$2625.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3478457 - cor14567bKT - Corsa Sport Exhaust System - Black Tips - A deeper tone that eliminates the rasp of the M3 - Corsa - BMW

A deeper tone that eliminates the rasp of the M3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes $75 in gift cards for future purchases!

Brand:
Corsa - Corporate Logo
ES#:
3478457
Mfg#:
COR14567BKT
Ships on Jul 10, 2026
$2413.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4615791 - D440-0137 - DINANTRONICS X Performance Tuner - Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel). - Dinan - BMW

Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel). Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Competition Package models
Competition Package models ONLY

Brand:
Dinan - Corporate Logo
ES#:
4615791
Mfg#:
D440-0137
Ships in 5 Business Days
11% off MSRP

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

$749.99

This product was last offered at the strikethrough price on
06-18-2026

$665.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4715378 - BMS-MPIKS58 - Water/Methanol Port Injection Kit - S58 - The ultimate fueling solution for your S58 powered BMW. Six supplemental low-pressure fuel injectors allow fueling of up to 1000+ whp using water/methanol blends. JB4 integrated! - Fuel-It! - BMW

The ultimate fueling solution for your S58 powered BMW. Six supplemental low-pressure fuel injectors allow fueling of up to 1000+ whp using water/methanol blends. JB4 integrated! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715378
Mfg#:
BMS-MPIKS58
Ships on Jul 7, 2026
Starting at $1699.00 USD
Free Shipping
on orders $49 and up
ES#4715478 - FFK-S55-NFI - Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715478
Mfg#:
FFK-S55-NFI
Ships on Jul 7, 2026
$609.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3521470 - FIEPIK6 - Fuel It S55 F-Series Port Injection Kit - Complete direct port injection kit for you S55. - Fuel-It! - BMW

Complete direct port injection kit for you S55. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
3521470
Mfg#:
FIEPIK6
Ships on Jul 7, 2026
Starting at $1628.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715572 - FFK-S55 - Fuel-It! Flex Fuel Kit - S55 - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715572
Mfg#:
FFK-S55
Ships on Jul 7, 2026
Starting at $549.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715476
Mfg#:
FFK-S55-STO
Ships on Jul 7, 2026
$549.99 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.

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