The ProFlex Commander adaptive flex fuel system allows you to start making more power and running cooler with E85.
- Brand:
- Advanced Fuel Dynamics
- ES#:
- 4044378
- Mfg#:
- PCF-E39M5-K
Ships in 2 Business Days
BMW M5 Performance Engine Parts
- Blow Off Valve
- Cam Gears
- Camshaft
- Catch Can
- Connecting Rod
- Cooling
- Crankshaft
- Cylinder Head
- Diverter Valve
- Exhaust
- Fueling
- Hoses
- Intake
- Intercooler
- Mounts
- Oiling System
- Pedal Commander
- Performance Package
- Pistons
- Pulleys
- Software
- Sprint Booster
- Stroker Kits
- Throttle Controller
- Turbocharger
- Water-Meth
- Clearance
Increases intake air flow and power potential!
- Brand:
-
- ES#:
- 4158594
- Mfg#:
- 58-10005R
In Stock at Vendor
ON SALE!
$1461.00
$1387.95 USD
This product was last offered at the strikethrough price on
09-01-2026
Free Shipping
Increases intake air flow and power potential!
- Brand:
-
- ES#:
- 4158593
- Mfg#:
- 58-10005D
Ships in 3 Business Days
ON SALE!
SAVE 14%
$1617.99
$1387.95 USD
This product was last offered at the strikethrough price on
09-01-2026
Increase power without sacrificing reliability! Up to +57 HP/ +84 TQ gains
- Brand:
-
- ES#:
- 4348544
- Mfg#:
- 77-46312
Ships in 3 Business Days
ON SALE!
Lifetime Replacement
$500.00
$462.50 USD
This product was last offered at the strikethrough price on
09-01-2026
Free Shipping
on orders $49 and up
Lifetime Replacement
Black anodized billet aluminum bolt on horespower
- Brand:
-
- ES#:
- 2873030
- Mfg#:
- 79-10003
Ships in 3 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$621.99
$497.00 USD
This product was last offered at the strikethrough price on
09-12-2026
Free Shipping
on orders $49 and up
Lifetime Replacement
Increase performance without sacrificing reliability
- Brand:
-
- ES#:
- 3981348
- Mfg#:
- 77-86325
Ships in 3 Business Days
ON SALE!
Lifetime Replacement
$619.00
$572.58 USD
This product was last offered at the strikethrough price on
09-01-2026
Free Shipping
on orders $49 and up
Lifetime Replacement
Upgrade your exhaust and retain the factory valve behavior.
2X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 4043887
- Mfg#:
- 3025-42061
Ships on Oct 2, 2026
$2665.00 USD
Lifetime Replacement
Unleash the sound of your S63 with AWE's track edition axle-back!
2X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 4043821
- Mfg#:
- 3020-43077
Ships on Oct 2, 2026
$1485.00 USD
Free Shipping
Lifetime Replacement
This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors.
2X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 5376126
- Mfg#:
- AWEF10M5TA
Ships on Oct 2, 2026
The AWE catback bolts right up to the factory front pipe for easy installation.
2X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 4044173
- Mfg#:
- GRP-EXH-BWF90M54
Ships on Oct 2, 2026
Free up power and unleash your BMW's naturally aggressive S68 exhaust tone!
2X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 5446902
- Mfg#:
- 3015-4X790
Ships on Oct 2, 2026
Unleash the sound of your S63 with AWE's track edition axle-back!
2X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 4043792
- Mfg#:
- 3020-42069
Ships on Oct 2, 2026
$1485.00 USD
Lifetime Replacement
Choose from Chrome Silver and Diamond Black tip finishes.
2X Entries Into Our F80 M3 Sweepstakes
Cutting of Stock Exhaust Required
- Brand:
-
- ES#:
- 4044170
- Mfg#:
- GRP-EXH-BWF90M53
Ships on Oct 2, 2026
Upgrade your exhaust and retain the factory valve behavior.
2X Entries Into Our F80 M3 Sweepstakes
- Brand:
-
- ES#:
- 4043910
- Mfg#:
- 3025-43065
Ships on Oct 2, 2026
$2665.00 USD
Lifetime Replacement
Upgrade your BMW M5 S63 with the BlackBoost High-Performance Cold Air Intake System—designed for power enthusiasts who demand enhanced performance, efficiency, and style.
- Brand:
-
- ES#:
- 4815412
- Mfg#:
- BBCAIS007
Ships in 6 Business Days
$1099.00 USD
Free Shipping
Lifetime Replacement
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.
- Brand:
-
- ES#:
- 4714702
- Mfg#:
- 1.25G-UMT-CL
Ships on Sep 29, 2026
$69.00 USD
Free Shipping
on orders $49 and up
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.