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
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.
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Keep your emissions in check. Primary cat in exhaust manifold. Rated for legal use and resale in California.
CARB Approved - For vehicles with production date up to 09/1998
Keep your emissions in check. Primary cat in exhaust manifold. Rated for legal use and resale in California.
For Vehicles with Production dates 1981-1984
Keep your emissions in check. Primary cat in exhaust manifold. Rated for legal use and resale in California.
For vehicle with a production date up to 09/1998
Oxygen sensors, catalytic converters, and other critical emissions components not only cause Check Engine Lights when they fail, but they'll also keep you from registering your car. Make sure your emissions system is functioning properly so you can continue to drive your car legally.
Lifetime Replacement
