Mass Air Flow Sensor For BMW 128i, 328i, 528i, X3, X5, Z4 (E81-E93) 2007-2013

The Mass Air Flow Sensor is a direct replacement designed for a wide range of BMW models from 2007 to 2013. Specifically compatible with 128i, 328i, 528i, X3, X5 and Z4 in the E81–E93 family, this sensor provides accurate air flow data to the engine control unit to help maintain precise air‑fuel ratios. With a robust build and OEM‑matched electrical interface, it supports reliable performance across everyday driving and more demanding conditions, helping to smooth idle, improve throttle response, and support steady fuel economy.

Benefits & Tips

• Replace a failing MAF sensor to restore smooth acceleration, avoid irregular idling, and recover lost fuel efficiency on 2007–2013 BMW models.
• Before installing, verify the part number and model compatibility to ensure a perfect fit with your vehicle’s ECU and harness.
• After installation, readfull diagnostic codes if needed and clear adaptions to ensure the ECU recalibrates with the new sensor for optimal performance.

Product specifications

• Brand Name: IWOKPHD
• Choice: yes
• Hysteresis: 8ET 009 142-631,558271A,558271B,558271HQ,86191
• Linear: For 2007-2013 BMW 128i 328i 528i X3 X5 Z4
• Measuring Range: 12 80 6 026 076 12806026076 74-50082 MAS0287 5 WK 97508 Z
• OEM NO.: 5WK97508
• Origin: Mainland China
• Repeatability: 2007 2008 2009 2010 2011 2012 2013
• Resolution: 13 62 7 551 638 13627551638 8ET009142631 5WK97508Z 7551638 7 551 638 5
• Sensitivity: Car accessories, auto parts
• Sensor Type: Piezoelectric
• Type: Thermal
• Vortex Type: For BMW 128i 328i 528i X3 X5 Z4 E81 E82 E87 E88 E90 E91 E92 E93 5WK975
• Part Number variants: 5WK97508Z, 7551638, 7 551 638, 5WK97508, 13627551638, 8ET009142631, 12 80 6 026 076, 12806026076, 74-50082, MAS0287, 5 WK 97508 Z, 8ET 009 142-631

Package includes:

• 1 x Mass Air Flow Sensor
• Application notes: FITS for 2007-2013 BMW 128i 328i 528i X3 X5 Z4; also listed models include various 1 Series, 3 Series, and Z4 configurations with N52/N53 3.0 engines across E81–E93 chassis

Warnings / Reminders

• Please check the picture and the part number carefully to ensure you bought the right part for your car.
• If you’re not sure which item fits your car, please send the Part Number or the Original product photos to us to confirm before ordering. We will check for you and reply within 24 hours.
• The only way to be 100% sure that the part will fit your vehicle is to check your original part.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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