BMW 635CSi (E24) Air Flow Meter/Sensor Costs
The average cost for a BMW 635CSi (E24) Air Flow Meter/Sensor Replacement is between $79 - $147. Get an instant quote with our AI repair estimator.
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What is an Air Flow Meter/Sensor?
An air flow meter, also known as an air flow sensor, is a crucial component of a vehicle's engine management system. It measures the volume and density of air entering the engine. By providing precise information to the engine control unit (ECU), the air flow sensor helps determine the optimal amount of fuel to mix with the air. This ensures efficient combustion, improves fuel economy, and reduces emissions. There are different types of air flow sensors, including mass air flow (MAF) sensors and volumetric air flow sensors, each utilizing different technologies to assess airflow accurately. Overall, the air flow sensor plays a vital role in maintaining the performance and efficiency of a vehicle's engine.
Symptoms of a Faulty Air Flow Sensor
When an air flow sensor becomes faulty, it can lead to a range of symptoms that affect the overall performance and efficiency of the vehicle. Common indicators of a malfunctioning air flow sensor include:
- Engine Hesitation or Stalling: A faulty air flow sensor can cause the engine to hesitate during acceleration or even stall unexpectedly due to incorrect air-fuel mixture.
- Poor Fuel Economy: The engine may consume more fuel than necessary if the air flow sensor isn't providing accurate data, resulting in decreased fuel efficiency.
- Check Engine Light: One of the most common signs of an air flow sensor issue is the illumination of the check engine light on the dashboard, indicating a problem with the engine management system.
- Rough Idling: A bad air flow sensor can cause the engine to idle roughly or inconsistently, leading to vibrations or shaking when the vehicle is stationary.
- Difficulty Starting the Vehicle: In severe cases, starting the engine might become problematic or require several attempts.
How Urgent is Air Flow Sensor Replacement?
Replacing a faulty air flow sensor is moderately urgent. While some symptoms like reduced fuel efficiency can be tolerated for a short period, issues like engine stalling or difficulty starting the vehicle need immediate attention to prevent potentially hazardous situations. Failing to address a faulty air flow sensor promptly can lead to further engine problems and increased emissions, affecting environmental compliance. Therefore, it is advisable to have the air flow sensor inspected and replaced as soon as symptoms are noticed to ensure safe and efficient vehicle operation.
How Much Does Air Flow Sensor Replacement Cost?
The cost of replacing an air flow sensor can vary depending on the make and model of your vehicle. On average, the cost can range from $150 to $400, including both parts and labor. The sensor itself may cost between $70 to $250, while labor charges may range from $80 to $150, depending on the service provider and location. Additional diagnostics may also be required, which could add to the overall cost. It's important to compare prices from different mechanics or shops to ensure you receive a fair deal.
5 FAQs About Air Flow Sensors
- What causes an air flow sensor to fail? An air flow sensor can fail due to dirt or oil contamination, electrical component failure, sensor damage due to improper handling, or wiring issues. Regular maintenance and cleaning can help prolong the life of the sensor.
- Can I drive with a bad air flow sensor? While you may be able to drive with a malfunctioning air flow sensor, it is not recommended. Doing so can lead to poor fuel economy, engine stalling, and potential damage to engine components over time.
- How often should an air flow sensor be replaced? There is no specific interval for replacing an air flow sensor. However, it should be checked during tune-ups if the vehicle exhibits any of the common symptoms of failure. Replacements are usually done when the sensor is confirmed faulty.
- Can a faulty air flow sensor affect emissions? Yes, a malfunctioning air flow sensor can lead to an incorrect air-fuel mixture, resulting in increased emissions and failure to pass emissions tests. Replacing the faulty sensor can help reduce emissions and meet environmental regulations.
- Is it possible to clean an air flow sensor instead of replacing it? In some cases, cleaning a dirty air flow sensor can restore its functionality. Special cleaning kits are available for this purpose. However, if the sensor is damaged or electrically faulty, it will need to be replaced rather than cleaned.
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1989 BMW 635CSi (E24) L6-3430cc 3.4L SOHC (M30) - Air Flow Meter/Sensor Costs
Parts: $85.00Labor: $86.00{ "partPrice": 85, "laborPrice": 86, "alldata_id": 7956, "alldata_vehicle_id": 7956, "title": "Air Flow Meter/Sensor", "parts": { "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "Air Volume Determinator", "part": [ { "name": "1 - Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] }, { "name": "Air Volume Determinator", "part": [ { "name": "Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] }, { "name": "Bracket Air Volume Determinator", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "3 - Bracket Air Volume Determinator", "price": "26.36", "pricecode": "", "partnumber": "13621707791" } ] } ] }, { "name": "Cap", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "2 - Cap", "price": "17.17", "pricecode": "", "partnumber": "13621363874" } ] } ] }, { "name": "Clip B6", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "5 - Clip B6", "price": "2.26", "pricecode": "", "partnumber": "07129934911" } ] } ] }, { "name": "Covering", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "7 - Covering", "price": "32.97", "pricecode": "", "partnumber": "13621711292" } ] } ] }, { "name": "Hex Bolt M6X14", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "6 - Hex Bolt M6x14", "price": "2.67", "pricecode": "", "partnumber": "07119913410" } ] } ] }, { "name": "Plug Terminal 5-Pol", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "20 - Plug Terminal 5-pol", "price": "1.89", "pricecode": "", "partnumber": "12521706069" } ] } ] }, { "name": "Protection Cap L=27.0mm", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "21 - Protection Cap L=27.0mm", "price": "10.06", "pricecode": "", "partnumber": "61131270973" } ] } ] }, { "name": "Rubber Mounting", "qualifiers": [ { "name": "From 6/87", "part": [ { "name": "4 - Rubber Mounting", "price": "17.83", "pricecode": "", "partnumber": "13621707790" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Fuel Injection Components, Renew", "labor": { "note": " ", "skill": "B", "standardtime": "0.7", "warrantytime": "0.4" }, "qualifiers": [] } ] } ] }, "year": 1989, "make": "BMW", "model": "635CSi (E24)", "engine": "L6-3430cc 3.4L SOHC (M30)" }1988 BMW 635CSi (E24) L6-3430cc 3.4L SOHC (M30) - Air Flow Meter/Sensor Costs
Parts: $87.00Labor: $31.00{ "partPrice": 87, "laborPrice": 31, "alldata_id": 7957, "alldata_vehicle_id": 7957, "title": "Air Flow Meter/Sensor", "parts": { "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "Air Volume Determinator", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "1 - Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "Air Volume Determinator", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "1 - Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] } ] }, { "name": "Air Volume Determinator", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] }, { "name": "From 06/87", "part": [ { "name": "Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] }, { "name": "Bracket Air Volume Determinator", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "3 - Bracket Air Volume Determinator", "price": "26.36", "pricecode": "", "partnumber": "13621707791" } ] } ] } ] }, { "name": "Cap", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "2 - Cap", "price": "17.17", "pricecode": "", "partnumber": "13621363874" } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "2 - Cap", "price": "0.29", "pricecode": "", "partnumber": "13621274118" } ] } ] } ] }, { "name": "Clip B6", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "5 - Clip B6", "price": "2.26", "pricecode": "", "partnumber": "07129934911" } ] } ] } ] }, { "name": "Covering", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "7 - Covering", "price": "32.97", "pricecode": "", "partnumber": "13621711292" } ] } ] } ] }, { "name": "Hex Bolt M6X14", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "6 - Hex Bolt M6x14", "price": "2.67", "pricecode": "", "partnumber": "07119913410" } ] } ] } ] }, { "name": "Plug Terminal 5-Pol", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "20 - Plug Terminal 5-pol", "price": "1.89", "pricecode": "", "partnumber": "12521706069" } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "15 - Plug Terminal 5-pol", "price": "1.89", "pricecode": "", "partnumber": "12521706069" } ] } ] } ] }, { "name": "Protection Cap L=27.0mm", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "21 - Protection Cap L=27.0mm", "price": "10.06", "pricecode": "", "partnumber": "61131270973" } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "16 - Protection Cap L=27.0mm", "price": "10.06", "pricecode": "", "partnumber": "61131270973" } ] } ] } ] }, { "name": "Rubber Mounting", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "4 - Rubber Mounting", "price": "17.83", "pricecode": "", "partnumber": "13621707790" } ] } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Fuel Injection Components, Renew", "labor": { "note": " ", "skill": "B", "standardtime": "0.7", "warrantytime": "0.4" }, "qualifiers": [] } ] } ] }, "year": 1988, "make": "BMW", "model": "635CSi (E24)", "engine": "L6-3430cc 3.4L SOHC (M30)" }1987 BMW 635CSi (E24) L6-3430cc 3.4L SOHC (M30) - Air Flow Meter/Sensor Costs
Parts: $6.00Labor: $69.00{ "partPrice": 6, "laborPrice": 69, "alldata_id": 7955, "alldata_vehicle_id": 7955, "title": "Air Flow Meter/Sensor", "parts": { "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "Air Volume Determinator", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "1 - Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "Air Volume Determinator", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "1 - Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] } ] }, { "name": "Air Volume Determinator", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] }, { "name": "From 06/87", "part": [ { "name": "Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] }, { "name": "Bracket Air Volume Determinator", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "3 - Bracket Air Volume Determinator", "price": "26.36", "pricecode": "", "partnumber": "13621707791" } ] } ] } ] }, { "name": "Cap", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "2 - Cap", "price": "17.17", "pricecode": "", "partnumber": "13621363874" } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "2 - Cap", "price": "0.29", "pricecode": "", "partnumber": "13621274118" } ] } ] } ] }, { "name": "Clip B6", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "5 - Clip B6", "price": "2.26", "pricecode": "", "partnumber": "07129934911" } ] } ] } ] }, { "name": "Covering", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "7 - Covering", "price": "32.97", "pricecode": "", "partnumber": "13621711292" } ] } ] } ] }, { "name": "Hex Bolt M6X14", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "6 - Hex Bolt M6x14", "price": "2.67", "pricecode": "", "partnumber": "07119913410" } ] } ] } ] }, { "name": "Plug Terminal 5-Pol", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "20 - Plug Terminal 5-pol", "price": "1.89", "pricecode": "", "partnumber": "12521706069" } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "15 - Plug Terminal 5-pol", "price": "1.89", "pricecode": "", "partnumber": "12521706069" } ] } ] } ] }, { "name": "Protection Cap L=27.0mm", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "21 - Protection Cap L=27.0mm", "price": "10.06", "pricecode": "", "partnumber": "61131270973" } ] } ] }, { "name": "To 6/87", "qualifiers": [ { "name": "To 06/87", "part": [ { "name": "16 - Protection Cap L=27.0mm", "price": "10.06", "pricecode": "", "partnumber": "61131270973" } ] } ] } ] }, { "name": "Rubber Mounting", "qualifiers": [ { "name": "From 6/87", "qualifiers": [ { "name": "From 06/87", "part": [ { "name": "4 - Rubber Mounting", "price": "17.83", "pricecode": "", "partnumber": "13621707790" } ] } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Fuel Injection Components, Renew", "labor": { "note": " ", "skill": "B", "standardtime": "0.7", "warrantytime": "0.4" }, "qualifiers": [] } ] } ] }, "year": 1987, "make": "BMW", "model": "635CSi (E24)", "engine": "L6-3430cc 3.4L SOHC (M30)" }1986 BMW 635CSi (E24) L6-3430cc 3.4L SOHC (M30) - Air Flow Meter/Sensor Costs
Parts: $48.00Labor: $31.00{ "partPrice": 48, "laborPrice": 31, "alldata_id": 2814, "alldata_vehicle_id": 2814, "title": "Air Flow Meter/Sensor", "parts": { "qualifiers": [ { "name": "To 6/87", "qualifiers": [ { "name": "Air Volume Determinator", "part": [ { "name": "1 - Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] }, { "name": "Air Volume Determinator", "part": [ { "name": "Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] }, { "name": "Cap", "qualifiers": [ { "name": "To 6/87", "part": [ { "name": "2 - Cap", "price": "0.29", "pricecode": "", "partnumber": "13621274118" } ] } ] }, { "name": "Plug Terminal 5-Pol", "qualifiers": [ { "name": "To 6/87", "part": [ { "name": "15 - Plug Terminal 5-pol", "price": "1.89", "pricecode": "", "partnumber": "12521706069" } ] } ] }, { "name": "Protection Cap L=27.0mm", "qualifiers": [ { "name": "To 6/87", "part": [ { "name": "16 - Protection Cap L=27.0mm", "price": "10.06", "pricecode": "", "partnumber": "61131270973" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Fuel Injection Components, Renew", "labor": { "note": " ", "skill": "B", "standardtime": "0.7", "warrantytime": "0.4" }, "qualifiers": [] } ] } ] }, "year": 1986, "make": "BMW", "model": "635CSi (E24)", "engine": "L6-3430cc 3.4L SOHC (M30)" }1985 BMW 635CSi (E24) L6-3430cc 3.4L SOHC (M30) - Air Flow Meter/Sensor Costs
Parts: $75.00Labor: $36.00{ "partPrice": 75, "laborPrice": 36, "alldata_id": 2808, "alldata_vehicle_id": 2808, "title": "Air Flow Meter/Sensor", "parts": { "qualifiers": [ { "name": "To 6/87", "qualifiers": [ { "name": "Air Volume Determinator", "part": [ { "name": "1 - Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] } ] }, { "name": "Air Volume Determinator", "part": [ { "name": "Air Volume Determinator", "price": "518.00", "pricecode": "", "partnumber": "13621466349" } ] }, { "name": "Cap", "qualifiers": [ { "name": "To 6/87", "part": [ { "name": "2 - Cap", "price": "0.29", "pricecode": "", "partnumber": "13621274118" } ] } ] }, { "name": "Plug Terminal 5-Pol", "qualifiers": [ { "name": "To 6/87", "part": [ { "name": "15 - Plug Terminal 5-pol", "price": "1.89", "pricecode": "", "partnumber": "12521706069" } ] } ] }, { "name": "Protection Cap L=27.0mm", "qualifiers": [ { "name": "To 6/87", "part": [ { "name": "16 - Protection Cap L=27.0mm", "price": "10.06", "pricecode": "", "partnumber": "61131270973" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Fuel Injection Components, Renew", "labor": { "skill": "B", "standardtime": "0.7", "warrantytime": "0.4" }, "qualifiers": [] } ] } ] }, "year": 1985, "make": "BMW", "model": "635CSi (E24)", "engine": "L6-3430cc 3.4L SOHC (M30)" }