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 For Our 25th Anniversary Sweepstakes!
Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, leading to poor fuel economy, lost performance, and failed emissions tests.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5481192
Mfg#:
BFR1/2O2SKT
In Stock
$400.99
This product was last offered at the strikethrough price on 07-14-2026
Is your BMW feeling a bit sluggish, idling rough, or burning through fuel faster than usual? Don't let aging oxygen sensors rob your engine of its performance.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5481586
Mfg#:
11787558055/73KT
In Stock
$374.99
This product was last offered at the strikethrough price on 07-14-2026
Is your BMW or MINI throwing a pesky check engine light, suffering from a rough idle, or guzzling fuel like it's track day? Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, sending lazy signals to your DME.
10X Entries For Our 25th Anniversary Sweepstakes!
Random check engine light got you down? It's probably a bad sensor! We have all the electrical sensors your engine needs to send information to your ECU so everything stays happy. Find it, fix it, and replace it with our OEM sensors or save some money with quality aftermarket sensors.
Lifetime Replacement
