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.
...or at least as "Bulletproof" as your F3X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4365386
Mfg#:
ECSF30N55BPKT
In Stock
ON SALE!
$510.99
This product was last offered at the strikethrough price on 06-16-2026
Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
Ships in 5 Business Days
$149.00
This product was last offered at the strikethrough price on 05-12-2026
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
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Left - Titanium Black Chrome Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD
10X Entries Into Our F80 M3 Sweepstakes Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4146846
Mfg#:
026732TMS03-10
In Stock
ON SALE!
SAVE 10%
$139.99
This product was last offered at the strikethrough price on 06-13-2026
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
