Precision-crafted BEMWQ mass airflow sensor ensures optimal engine performance with aerospace-grade aluminum housing and laser-calibrated platinum sensing elements. Direct OEM replacement for Mercedes-Benz W221/W164 models (M272/M273 engines) featuring factory-matched connectors and 100% plug-and-play installation.

Advanced thermal compensation technology maintains ±1% accuracy across extreme temperature ranges (-40°C to 120°C), preventing fuel trim errors and rough idling. CNC-machined inlet channels eliminate turbulence for flawless air volume measurement.

Tested to withstand 50,000+ engine cycles with gold-plated contacts resisting oxidation. Includes vibration-dampening silicone gasket to protect sensitive circuitry on rough terrain. Fits all gasoline variants including AMG models (CLS550/E550/S550).

Backed by ISO/TS 16949 certified manufacturing with 3-year unlimited-mileage warranty. Ships pre-calibrated with original Bosch/VDO software protocols - no ECU reprogramming required. Bulk discounts available for fleet purchases.