New BMW ECU

[Land Shark]

At 03:05 PM 7/2/96 +0200, you wrote:
>Hi there,
>
>Can anyone out there possibly help me. After many years of tinkering with
>mixture, idle speed, rev limiter settings on various BOSCH MOTRONIC ECU's
>fitted to BMW's, BMW seem now to have switched to a SIEMENS ECU especially
>to the current 3 series (316is, 318is, 328i). Does anyone have any
>information in the SIEMENS ECU's is it still 8051 (or derivative) based.
>Even better does someone perhaps have an idea of where the data tables
>reside. Any info would be most welcome either by post to the group or E-mail.

 Umm .. if your Siemens ECU is the MS41.1... I'd open it.. you're gonna
 be surprized since there is no EPROM in there .. only a soldered in Flash
 EEPROM .. at least in the US markets, OBD-II legislation prohibits the 
 removeable proms ..

 Jim