Fitment Compatibility:Highly compatible with a wide range of models including 128i (2008 - 2013), 328i (2007 - 2013), 328i xDrive (2009 - 2013), 528i (2007 - 2011), 528i xDrive (2009 - 2010), X3 (2007 - 2010 with 2.5L and 3.0L engines), X5 (2007 - 2010), Z4 (2009 - 2011). Before purchase, use the year/make/model dropdown or detailed description to confirm proper fit.
OE Reference Equivalence:Matches multiple OEM reference numbers such as 13627551638, 5WK97508Z, 74 - 50082, MAS0287, 8ET009142 - 631. It serves as a direct replacement, ensuring a seamless fit and easy installation
Function and Performance:Accurately calculates the oxygen flow to the engine for an optimal air - to - fuel ratio. The sensor uses a heated grid or wire to measure air flow entering the intake manifold, and the PCM utilizes this signal for precise fuel control. It helps enhance engine efficiency, restores original drivability, and maintains stable gas mileage.
Quality and Durability:Constructed from premium materials, superior electrical connections, ensuring long - lasting durability, reliability, and resistance to intermittent failures. The sensor also features fast response times and can withstand extreme temperature fluctuations and vibration.
Ease of Installation:The mass air flow sensor is extremely user - friendly for installation. Before installation, it is advisable to clean out the air box and replace the air filter to ensure optimal performance. After installation, disconnect the ground wire from the battery to reset relevant systems for smooth vehicle operation.