Applicable Models - 1994-1995 1997-1998 for BMW 540i,1993-1995 1997-1998 for BMW 740i,1993-1998 for BMW 740iL,1994 for BMW 840Ci,1995 for BMW 850Ci. Part Number - 13621702078 0280217800 13621733262 13621747156, Meet or exceed OEM Standards.. Performance - Very small intake resistance, fast response, accurate measurement, mass flow detection, without compensation of intake temperature and afor TMospheric pressure.. Positive Role - Measuring the intake gas flow rate, calculating the intake gas flow rate, deterfor Mining the basic fuel injection rate and the basic ignition advance angle.. Kindly Note - Every product must take inspected multiple times before the shipment and clean out the air box and replace the air box before installing the MAF Meter, or the Code and Check Engine Light may keep showing even if you replace a new MAF..
