Restore your air volume signal with this brand new OEM quality PRO-SPEC mass air flow meter/sensor (MAF). Vital to your engine a properly functioning MAF ensures a more efficient burn and promotes fuel economy. Common symptoms of a failing MAF include: rough idle loss of power decrease in fuel economy stalling and possible MAF malfunction codes from your onboard diagnostics as indicated by a CEL (check engine light). We highly recommend consulting your local dealer for special installation procedures prior to installation to ensure proper function and preservation of your new MAF. Comes complete with sensor and housing. This part is a direct OEM replacement part and is ready for installation directly out of the box.

Manufacturer: AIP Electronics
100% New Construction
12 Individual Micro Platinum Tread Connections
Digitally Programmed Parameters
Clear anti-vibration gel circuit board fill

Vehicle Fitment:
1999 BMW 323i w/OEM #13621703275
1999 BMW 323iC w/OEM #13621703275
1998 BMW 323iC
1999 BMW 323iS w/OEM #13621703275
1998 BMW 323iS
1999 BMW 328i w/OEM #13621703275
1996-1998 BMW 328i
1999 BMW 328iC w/OEM #13621703275
1996-1998 BMW 328iC
1999 BMW 328iS w/OEM #13621703275
1996-1998 BMW 328iS
1997-1998 BMW 528i
1996-1999 BMW M3
1999-2001 BMW Z3 3.2 Liters
1998 BMW Z3 Exc. 1.9 Liters
1997 BMW Z3 2.8 Liters

Part Reference #s:
13621703275
13621703650
13221702078
5WK9600
5WK9617
MAF1121
74-10043
MF21016
MA243
221016M