BMW e36 318 m44 Intake Boot Air Mass Sensor 2 Throttle e36.7 3-series hose Intake Boot Air Mass Sensor to Throttle Housing NOTE: Not for cars with ASC+T Brand NEW part with full 1 year warranty. BMW part# 13 71 1 247 031, fits m44 engine only. Genuine BMW part, recently made: not been lying around.