Oxygen Sensor Replacement Estimate for BMW L7

BMW L7 Oxygen Sensor Replacement costs $169 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$169 to $179
Labor: $70 -$80
Parts: $99
Average Dealer price
$291
Average Shop price
$207
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CarServiceYourMechanic PriceShop/Dealer Price
1987 BMW L7L6-3.5LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$176.98Shop/Dealer Price$229.13 - $328.42
1987 BMW L7L6-3.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$175.00Shop/Dealer Price$226.78 - $324.67
1986 BMW L7L6-3.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$175.00Shop/Dealer Price$226.70 - $324.53
1986 BMW L7L6-3.5LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$175.00Shop/Dealer Price$226.73 - $324.60
Show example BMW L7 Oxygen Sensor Replacement prices

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Tien
18 years of experience
Very professional, knowledgeable both import and domestic vehicle, answered many of my question about vehicle troubleshooting, i will recommend everybody and family for hiz excellent knowledgeable professional.
2006 BMW 325I - CAR STARTER REPAIR
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Jonathan
12 years of experience
Jonathan was just AWESOME on the service (oil change) he did on my BMW. I am truly impressed. Any other service that I would need with my bimmer, I am gonna ask for him. After the oil change, my car had a oil leak and I got my Brake light and Check Brake fluid light. At first I thought it was due to oil change. Later Jonathan came back again the next day and identified the it was brake oil leak. He got the place of leak within few minutes, which no other mechanic could do. This guy knows so much about German cars. Glad to have got him work on my car.
2002 BMW 540I - OIL OR FLUID IS LEAKING
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Michael
17 years of experience
Although my car's system status indicated that the brake pads had to be replaced, Michael discovered that the sensor wire was severed and only needed it to be replaced. Saved me a few bucks. He could have replaced the pads, but chose to do the right thing. Good job Michael!
2011 BMW 335I - BRAKE PADS REPLACEMENT (REAR)
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Steven
16 years of experience
Prompt, courteous and professional. Steven did a thorough pre-buy inspection that has potentially saved me thousands of dollars. The photos were exceptional and the report easy to understand. HIGHLY RECOMMENDED.
2006 BMW 325I - PRE-PURCHASE CAR INSPECTION
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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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