The Mishimoto BMW 550i Ignition Coil is a high-quality replacement designed to restore the factory performance and fuel efficiency of your 4.4L V8 engine.
Utilizing the industry-standard FTDI chipset, this cable ensures a rock-solid connection between your laptop and your vehicle’s fuel controller.
2X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5445417
Mfg#:
N54-USB-SERIAL-H
Ships in 10 Business Days
ON SALE!
SAVE 15%
$37.99
This product was last offered at the strikethrough price on 09-03-2026
This kit provides a positive mechanical lock, ensuring each coil stays firmly seated regardless of boost levels or engine RPM.
2X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5446112
Mfg#:
VTT-N54CBRAW
Ships in 10 Business Days
ON SALE!
SAVE 15%
$112.99
This product was last offered at the strikethrough price on 09-03-2026
Designed specifically for the N54 platform, this kit eliminates the sloppy fitment often found with factory setups.
2X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5446111
Mfg#:
VTT-N54CBGOLD
Ships in 10 Business Days
ON SALE!
SAVE 15%
$112.99
This product was last offered at the strikethrough price on 09-03-2026
With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.
Lifetime Replacement
