{"product_id":"standard-ignition-mas0309-mass-air-flow-sensor","title":"Standard Ignition MAS0309 Mass Air Flow Sensor","description":"\u003ch2\u003eOverview of Standard Ignition Mass Air Flow Sensor MAS0309\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition MAS0309 Mass Air Flow Sensor is engineered for precise air measurement in BMW and Land Rover vehicles. Designed to ensure accurate engine performance, this sensor supports models such as the BMW 540i, 740i, 740iL, X5, Z8, and the Land Rover Range Rover.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSnap fit attachment method for secure installation\u003c\/li\u003e\n\u003cli\u003eFemale oval connector with one connection point\u003c\/li\u003e\n\u003cli\u003eDurable plastic construction housing the sensor assembly\u003c\/li\u003e\n\u003cli\u003eComplete assembly with four bolt holes for mounting\u003c\/li\u003e\n\u003cli\u003eFive male blade terminals for reliable electrical connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe MAS0309 Mass Air Flow Sensor from Standard Ignition is a critical component in the emission control system, responsible for measuring the volume and density of air entering the engine. This sensor features a snap fit attachment method, allowing for straightforward installation without additional hardware. The sensor includes a single female oval connector designed to interface with the vehicle’s wiring harness, ensuring a secure and stable connection. Constructed from durable plastic, the sensor assembly does not include an external housing but is built to withstand typical engine bay conditions. The unit mounts using four bolt holes, providing a stable and vibration-resistant fit. Electrical connectivity is maintained through five male blade terminals, designed for consistent signal transmission.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis mass air flow sensor is compatible with select BMW and Land Rover models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW 540i\u003c\/li\u003e\n\u003cli\u003eBMW 740i and 740iL\u003c\/li\u003e\n\u003cli\u003eBMW X5 and Z8\u003c\/li\u003e\n\u003cli\u003eLand Rover Range Rover\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace the original equipment sensor, ensuring proper air measurement for optimal engine management and emission control.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by MAS0309 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIrregular engine idling or stalling\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency due to inaccurate air measurement\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty air flow readings\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or poor acceleration\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to air intake sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the snap fit attachment is fully engaged to prevent air leaks\u003c\/li\u003e\n\u003cli\u003eVerify the female oval connector is securely connected to the vehicle harness\u003c\/li\u003e\n\u003cli\u003eUse the four bolt holes to firmly mount the sensor in place\u003c\/li\u003e\n\u003cli\u003eHandle the sensor carefully to avoid damage to the plastic housing and terminals\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and sensor location\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition provides this MAS0309 Mass Air Flow Sensor as a complete assembly meeting OEM specifications. The sensor undergoes rigorous quality control to ensure reliable performance in BMW and Land Rover vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44691078414517,"sku":"FBHK-MAS0309","price":164.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_MAS0309_Fro.jpg?v=1775081247","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-mas0309-mass-air-flow-sensor","provider":"PartCatalog","version":"1.0","type":"link"}