6577475261 0044CC0IHD0SIGG1S Siemens MSD81.X original ECU file – BMW 3 Series 3.0 306hp

Other SW versions on HW 6577475261

2 SW versions sit on this HW in the archive, 7 files in all: BMW 3 Series (6), BMW X Series (1). This page lists no SW number, so compare what your tool reads with the list.

HW numbers next to 6577475261

The closest HW numbers in the archive, by spelling. They are other files, not equivalents. Worth a look when a digit may have been misread.

Other numbers for the BMW 3 Series 3.0 306hp

962 files cover exactly this car and engine, on Bosch MEVD17.2.6 (501), Bosch MEVD17.2.G (282), Siemens MSD80 (100). If your ECU reads differently from this page, 8 of the others:

This ECU and car in figures

Siemens MSD81.X: 59 files, 13 SW numbers, 10 with a map pack. Makes: BMW (59). Most listed: BMW 3 Series (32), BMW 1 Series (12), BMW X Series (7), BMW Z Series (5).

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 N55B30M0: 51 files, on Siemens MSD80 (37), Siemens MSD81.X (9), Siemens MSD81 (4). Listed for BMW 3 Series (39), BMW 5 Series (6), BMW X Series (6).