Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install.
Requires stage 2 dual pulley ECU tune
Now manufactured with 45 durometer rubber, 034Motorsport's Street Density Mounts are the new standard in comfort and performance!
2X Entries Into Our F80 M3 Sweepstakes
Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Keep your intake tract clean and carbon free
2X Entries Into Our F80 M3 Sweepstakes For vehicles with metal intake manifold (Flex Fuel) For vehicles with metal intake manifold (Flex Fuel)
Great for when more fuel is needed in a custom fueling application
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application
Easily increase the supercharger rotational speed to create more boost
10X Entries Into Our F80 M3 Sweepstakes Appropriate stage 2 software is required for use
Brand:
ES#:
3551738
Mfg#:
025509ECS01
In Stock
ON SALE!
SAVE 25%
$179.99
This product was last offered at the strikethrough price on 10-15-2026
Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug!
10X Entries Into Our F80 M3 Sweepstakes For use with custom plumbing and ECS universal mounting bracket kit
Brand:
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE!
SAVE 10%
$238.99
This product was last offered at the strikethrough price on 06-13-2026
Increased horsepower and torque throughout the powerband when paired with Stage 2 Performance Software.
2X Entries Into Our F80 M3 Sweepstakes *3.0 TFSI Performance Software is sold separately and required in order for this pulley to yield a performance benefit.*
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.
Lifetime Replacement
