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BMW M3 Performance Engine Parts

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360HP/300TQ - a complete power solution for your M3! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For OBD2 vehicles w/ Automatic Transmission Only
For OBD2 vehicles w/ Automatic Transmission Only

Brand:
Active Autowerke - Corporate Logo
ES#:
5434944
Mfg#:
12-003A
Ships in 10 Business Days
$8074.00 USD
Free Shipping

A perfect length, stylish alternative to the OE exhaust tips! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
5435276
Mfg#:
11-044B
Ships in 3 Business Days
$351.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

640HP/413TQ - a complete power solution for your M3 - includes front-mount air-to-air intercooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
3438854
Mfg#:
12-029
Ships in 10 Business Days
5% off MSRP

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

$16249.00

This product was last offered at the strikethrough price on
06-12-2026

$15436.99 USD
Free Shipping

Reduces weight, improves torque and horsepower numbers, and adds a deeper more gowl-like sound than stock. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
4046203
Mfg#:
11-045MB
Ships in 3 Business Days
$3629.00 USD
Free Shipping

426HP/297TQ - a complete power solution for your M3! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For SMG Transmissions Only ~ Call in to provide vin before purchase
For SMG Transmissions Only ~ Call in to provide vin before purchase

Brand:
Active Autowerke - Corporate Logo
ES#:
5435034
Mfg#:
12-021S
Ships in 10 Business Days
$8906.00 USD
Free Shipping

This valved cat back system features wireless remote control and quad chrome silver tips. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675813
Mfg#:
BME9M-QS11C
Ships on Jul 6, 2026
$2880.00 USD
Free Shipping

This valved cat back system features wireless remote control and quad blue coated tips. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675812
Mfg#:
BME9M-QS11B
Ships on Jul 6, 2026
$3140.00 USD
Free Shipping

This valved cat back system features wireless remote control and quad carbon fiber tips. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675811
Mfg#:
BME9M-QC11
Ships on Jul 6, 2026
$3480.00 USD
Free Shipping

This valved cat back system features wireless remote control and quad matte black tips. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675814
Mfg#:
BME9M-QS11M
Ships on Jul 6, 2026
$3180.00 USD
Free Shipping

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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