BMW S65B40 with M800 starting engine

Discussion and support for MoTeC's previous generation ECUs.

BMW S65B40 with M800 starting engine

Postby Promap on Tue Sep 26, 2023 8:08 am

has anyone installed an M800 on the V8 S65B40? when starting up, the time for the first ignition action is very long (minimum 3 seconds). maybe because of the variable cam system. the mode used is 50. does anyone have any experience?
Promap
 
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Re: BMW S65B40 with M800 starting engine

Postby davidfraher on Wed Dec 20, 2023 6:05 pm

Promap wrote:has anyone installed an M800 on the V8 S65B40? when starting up, the time for the first ignition action is very long (geometry dash subzerominimum 3 seconds). maybe because of the variable cam system. the mode used is 50. does anyone have any experience?

Me, but I think it's ok. During startup, the Vanos system may take a moment to adjust, leading to a longer ignition time.
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