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Bremi BMW Mass Air Sensor & Air Flow Meters for BMW 5 Series E39 (1996-2003)

We sell OEM air mass sensors, air flow meters, and HFMs (Hot Film Meter) for many BMWs. When the mass air sensor is bad you will notice your engine running out of tune. Your fuel mileage will suffer, throttle response will be poor, and you will notice a lack of power.

There should be a Check Engine Light to alert you that the air sensor is having problems. However, there may not be a fault code for the air meter itself. Often times the code comes up as fuel trim or lean condition. In these cases the air sensor could be just one of a number of potential problems.

We only sell air sensors from Original Equipment Manufacturers like, Bosch, VDO, and Siemens. Please note that HFMs are an electrical part and cannot be returned for refund.

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Mass Air Flow Sensor (MAF) - M52 S52

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:556950

Part#: 13621703275

Ships in 1 Business Day

$ 175.00

This product was last offered at the strikethrough price on
05-07-2026

$ 170.99 USD

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$ 170.99 USD

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Turner Motorsport BMW Air Flow Sensor

Introducing the BMW Air Flow Sensor by Turner Motorsport, a crucial component influencing fuel mixture for optimal engine performance. If your sensor malfunctions, it can lead to poor performance and decreased fuel efficiency. Upgrade today to experience improved mileage and restored engine performance. Easy installation with basic hand tools makes it convenient for BMW owners to enjoy these benefits.