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    BMW E30-M3 Mass Air Sensor & Air Flow Meters

    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.
    You're currently viewing parts for your (E30) M3 1988-1991. Reset your chassis
    For accurate results, specify your year and model below.
    Genuine BMW Replacement mass air sensor - air flow meter - (HFM) for M30 engine. The M30 engines have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems. We also sell HFM sensor cleaner that may clear your problem (see below). . Complete your repair with a new boot and new clamps by selecting the option below. Boots are OE-spec or Original BMW and we use high-quality factory-style clamps.

    This item fits the following BMWs:
    1985-1988 E28 BMW 535i 535is
    1989-1993 E34 BMW 535i
    1985-1989 E24 BMW 635csi
    1985-1987 E23 BMW 735i
    1988-1994 E32 BMW 735i 735il

    Also for E30 M3 EVO III
    Part #: 13627547981
    Price: $387.95 (USD)