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    BMW E36 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 (E36) 3-series 1992-1999. Reset your chassis
    For accurate results, specify your year and model below.
    This Euro HFM (Hot Film Meter or mass air sensor) from the Euro M3 is larger in diameter than the USA's M3 meter. This HFM will meter and flow more air than the stock one, giving you more power. THIS REQUIRES PROPER SOFTWARE to run correctly and you may also need larger fuel injectors to prevent the engine from running lean.

    We use this HFM on the 1995 M3 or any 1996+ S52 engine that has been converted to OBD-1 electronics. We prefer to use this HFM over the 540 meter because this is a direct bolt-on to the Euro airbox (for those that want a factory appearance). This HFM is not used on our OBD-2 Performance Kits or with OBD-2 Shark Injector software.

    factory BMW part number = 13 62 1 403 123
    OEM Bosch part number = 0 280 217 806
    Part #: 13621403123
    Price: $359.95 (USD) 
    Quantity:   
    This silicone adapter is used when fitting a Euro or 540 3.5" HFM to the stock intake boot on an E36 M3 S50 or S52. The stock intake boot is sized for the stock 3.0" HFM so a coupler is required to go from the new larger HFM to the smaller boot. Our HFM adapter includes a new hose clamp for the HFM end.
    Part #: ADAPT
    Price: $49.95 (USD) 
    Quantity:   
    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) 
    Replacement mass air sensor (HFM) for BMW 325i 1992, 525i 1991-1992 with M50 engine. The M50 engines in the E36 and E34 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).

    This item fits the following BMWs:
    1992 E36 BMW 325i 325is
    1991-1992 E34 BMW 525i
    Part #: 13621466359
    Price: $381.95 (USD) 
    Replacement mass air sensor (HFM) for M50, S50-US engine. The M50 engines in the E36 and E34 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). This mass air sensor also fits M60B30 engine. 3.0" diameter.

    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.

    Complete Application List:
    1993-95 E34 525i - M50 engine with VAN0S (M50TU)
    1993-95 E36 325i, 325is, 325iC - M50 engine with VAN0S (M50TU)
    1995 E36 M3 3.0-liter
    1994-95 E34 530i - M60 3.0-liter engine

    Part #: 13621747155
    Price: $354.95 (USD) 
    Replacement mass air sensor for M52, S52-US engines. This HFM is an OEM part, made by Siemens VDO. 3.0" diameter.

    The M52 engines in the E36 and E39 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.

    Complete Application List:
    1996-99 E36 323is, 323iC, 328i, 328is, 328iC
    1996-99 E36 M3 3.2-liter
    1997-98 E39 528i

    Part #: 13621703275
    Price: $354.95 (USD) 
    This 3.5" HFM is used in our OBD-II Performance Packages on the 1996-1999 E36 M3 (and MZ3 S52). This is a Plug & Play and seamless kit built using a Porsche HFM, custom wiring harness adapter, and harness mounting bracket. This HFM is preferred because it has a greater resolution and reads larger quantities of air more precisely than the 540 or Euro M3 HFMs. We have put together this kit to be completely reversible and plug and play using factory plugs and connectors. It requires no splicing or modification of your stock connector harness, avoidng the pitfalls that can come from exposing your factory wiring. Using this without the harness will require you to bridge the grounds of the factory harness together in order for the HFM to send the correct signals to the computer.

    The correct software, and related intake components, are required to use this larger HFM! See below for software options from Turner Motorsport. Or click here for our complete list of E36 Performance Packages.

    Software Options
    Stage 2 - 3.5" HFM, "24lb" injectors
    Stage 3 - 3.5" HFM, "24lb" injectors, Schrick camshafts
    Stage 3+ - 3.5" HFM, "24lb" injectors, Schrick camshafts, M50 manifold
    Stage 4 - 3.5" HFM, "24lb" injectors, Schrick camshafts, headers
    Stage 4+ - 3.5" HFM, "24lb" injectors, Schrick camshafts, headers, M50 manifold
    Stage 5 - 3.5" HFM, "24lb" injectors, Schrick camshafts, headers, cat-delete

    This 3.5" HFM is intended for the following BMWs:
    1996-1999 E36 BMW M3
    1997-2000 Z3 BMW M Roadster M Coupe
    Part #: TEN9989HFM
    Price: $499.56 (USD)