Hey BMW owners - if your check engine light's on or you're getting poor fuel mileage, it might be time for a new oxygen sensor. This JESBEN upstream air fuel ratio sensor is the perfect fix for your 135i, 335i, 535i or other BMW models from 2007-2013. We're talking direct fit replacement that slides right in where your old sensor was. It's the 5-wire heated type that works with all those N54 engine models you love. The best part? This isn't some cheap knockoff - it's built to handle high temps and corrosion like a champ, so it'll last you years. Installation's straightforward if you're handy, or any shop can knock it out quick. You'll notice better engine performance and improved purification rates right away. Plus you get a solid 2-year warranty for peace of mind. Fits all these part numbers too: 11787558055, 234-5139, and a bunch of others. Perfect for when you need that OEM performance without the dealership price tag. Your BMW will run smoother and more efficient with this quality sensor handling the air-fuel mixture.
Free 30-day returns 
Free 30-day returns
