Oxygen Sensor Replacement Estimate for BMW 328Ci

BMW 328Ci Oxygen Sensor Replacement costs $203 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$198 to $217
Labor: $70 -$80
Parts: $128 -$137
Average Dealer price
$348 to 367
Average Shop price
$243 to 255
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CarServiceYourMechanic PriceShop/Dealer Price
2000 BMW 328CiL6-2.8LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$218.14Shop/Dealer Price$280.59 - $410.75
2000 BMW 328CiL6-2.8LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$205.45Shop/Dealer Price$264.84 - $385.57
Show example BMW 328Ci Oxygen Sensor Replacement prices

Parts required for a BMW 328Ci Oxygen Sensor Replacement

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He was great. It was raining really hard. He still was very pleasant and did a good job on the repair.
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11 years of experience
Alex replaced power window regulators for both front doors and did a pretty decent job. He even inspected the car and found that front brake pads and Rotor needs to be replaced and helped me in getting quote for that. I have scheduled another appointment with him to replace front brakes. Overall, I have been very satisfied with the services provided by Alex.
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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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