Oxygen Sensor Replacement Estimate for BMW 528xi

BMW 528xi Oxygen Sensor Replacement costs $463 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$426 to $533
Labor: $245 -$280
Parts: $181 -$253
Average Dealer price
$687 to 832
Average Shop price
$518 to 608
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CarServiceYourMechanic PriceShop/Dealer Price
2008 BMW 528xiL6-3.0LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$440.50Shop/Dealer Price$578.31 - $791.63
2008 BMW 528xiL6-3.0LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$513.73Shop/Dealer Price$670.27 - $938.83
Show example BMW 528xi Oxygen Sensor Replacement prices
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Parts required for a BMW 528xi Oxygen Sensor Replacement

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445 reviews
17 years of experience
Great service! Helpful, quick, friendly and even was able to come earlier than scheduled! Hopefully I won't need this service again, but if I do, I know who to call! Thank you!!!
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283 reviews
27 years of experience
Patrick is a great guy and really knows his stuff. Yourmechanic.com rips you a new one on parts and labor but i guess you pay for not having the headache. I paid 370 labor for 3 hours and 255 for parts that go for 65 bucks on parksgeek.com and even cheaper on a few other sites but for original bmw parts it is 65 and they charged 255. Fyi. If it can wait a couple days, buy the parts first
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6 years of experience
This is my third time using Mark on multiple vehicles and couldn't be happier with the level of service. Even with the oil change and transmission fluid service, he left the work area extremely clean and took extra time to answer all my questions...even regarding issues unrelated to what he came to fix. Would recommend to anyone.
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111 reviews
22 years of experience
Christopher was very professional, and a very experienced mechanic, he knew exactly what the problem was and fixed it!! He went above and beyond for me and I've never met a better person out there in my experience!! Thank You again Chris!!
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All about Oxygen Sensor Replacement

With each new model year, manufacturers are adding more oxygen sensors to better manage engine operation. Some high performance engines have an oxygen sensor for each cylinder as well as one for the rear of each catalytic convertor. The sensors are located either underneath the hood or underneath the car. The oxygen sensors are connected (screwed) to the exhaust pipe, either in front or back of the catalytic converter. The front (upstream) sensors measure the amount of oxygen in the exhaust system. The purpose of the front oxygen sensor(s) is to measure how rich or lean the gases are as the gases exit the combustion chamber. Depending upon whether the exhaust gas is lean (high in oxygen content) or rich (low in oxygen content), the amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor. Rear (downstream) sensors are located behind the catalytic converter. The purpose of the rear oxygen sensor(s) is to monitor the oxygen content of the exhaust gases leaving the catalytic convertor. If one or more of the oxygen sensors are faulty, your car may not pass the emissions test. If you drive your car with a faulty oxygen sensor, you may get poor gas mileage and it can damage the catalytic converter.

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