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You Are Buying
BRAND: ISUMO
Aftermarket Premium High Quality
Mass Air Flow Sensor
Quantity: 1 Piece
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Part#
Part#
MAS4633S
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Cross-Reference
13627537488
13627566990
MAS4633
MAS0412
7451002
74-51002
MF21242
V20725177
0280218270
AF10421
MAF4372
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Specifications:
| Category | Mass Air Flow Sensor |
| Attachment Method | Bolt On |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Housing Included | No |
| Material | Plastic |
| Notes | Sensor Only |
| Number of Bolt Holes | 2 |
| Terminal Gender | Male |
| Terminal Quantity | 5 |
| Terminal Type | Blade |
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Fits:
| BMW | 550I | 2006-2013 |
| BMW | 550I GT | 2010-2013 |
| BMW | 650I | 2006-2013 |
| BMW | 750I | 2006-2013 |
| BMW | 750LI | 2006-2013 |
| BMW | ALPINA B7 | 2011-2015 |
| BMW | X5 | 2011-2013 |
| BMW | X6 | 2008-2014 |
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Location
The Mass Air Flow (MAF) sensor is located in the air duct between the air cleaner
and the engines air intake. Locat20ion may be mounted to the throttle body or in the air cleaner
housing.
The MASS Air Flow sensor is a computer input that measures the amount of
air entering the engine. Barometric pressure may also be calculated either in the sensor or by
the computer for correct air/fuel mixture. The computer uses this information for air/fuel
mixture control, ignition timing and to aid the transmission in pressure control for accurate
shifting.
Failure Symptoms: Malfunction Indicator Light illumination, failed emission test engine hesitation on acceleration, poor fuel economy,
poor engine performance, engine no start condition, engine surging.
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Luftmassenmesser (MAF)
Der Luftmassenmesser (MAF) befindet sich im Luftkanal zwischen dem Luftfilter
und der Lufteinlass der Motoren. Die Position kann am Drosselklappengehäuse oder im Luftfilter angebracht werden
Gehäuse.
Der MASS-Luftstromsensor ist ein Computereingang, der die Menge von misst
Luft tritt in den Motor ein. Der Luftdruck kann auch entweder im Sensor oder von berechnet werden
den Computer für das richtige Luft / Kraftstoff-Gemisch. Der Computer verwendet diese Informationen für Luft / Kraftstoff
Gemischregelung, Zündzeitpunkt und zur Unterstützung des Getriebes bei der Druckregelung für genaue
Verschiebung.
Fehlersymptome: Störungsanzeige Lichtbeleuchtung, fehlgeschlagener Emissionstest,
Motor zögern beim Beschleunigen, schlechter Kraftstoffverbrauch, schlechte Motorleistung, Motor-Nostart-Zustand, Motorschwankungen
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