A507250 Siemens MSD81 original ECU file – BMW 3 Series 325i 218hp

Other numbers for the BMW 3 Series 325i 218hp

55 files cover exactly this car and engine, on Siemens MSD81 (52), Siemens MSD81.X (3). If your ECU reads differently from this page, 12 of the others:

This ECU and car in figures

Siemens MSD81: 308 files, 32 SW numbers, 22 with a map pack. Makes: BMW (308). Most listed: BMW 3 Series (152), BMW 1 Series (92), BMW X Series (26), BMW Z Series (21).

BMW 3 Series: 6 192 files. ECU types: Bosch MEVD17.2.9 (921), Bosch EDC17C50 DDE701a (852), Bosch MEVD17.2.6 (503), Bosch MEVD17.2.4 (391). Engine codes: N20B20 (719), N55B30A (475), B47D20U0 (417), N47D20C (414).

Engine code N52B25O1: 36 files, on Siemens MSD81 (21), Siemens MSV70 (13), Siemens MSV80 (2). Listed for BMW 3 Series (31), BMW 5 Series (4), BMW Z Series (1).