Sluggish O2 sensors don't just trigger annoying Check Engine Lights; they cause poor fuel economy, rough idling, and can even degrade your expensive catalytic converters over time.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5481204
Mfg#:
11787545074/5KT
Ships in 1 Business Day
$366.99
This product was last offered at the strikethrough price on 08-31-2026
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
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
Designed specifically for the N54 platform, this kit eliminates the sloppy fitment often found with factory setups.
2X Entries Into Our F80 M3 Sweepstakes
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.
