Interesting cranking/ignition feature…
Kinda a random post,
For the last year I would start the E53 the same way as my E46 where I’d toggle the key on until it fires up. The other day I noticed the X5 will continue to crank and start if I briefly toggle the key to the start position. Is my X5 possessed or is this a feature? I assume it’s a feature but I’ve never seen a reference to it. Can someone confirm their X5 has the same feature? As I said, kinda a odd post. Cheers, E53Envyy |
It's a feature called convenient/automatic start on these V8 engines. Ignition switch activates a separate starter relay which stays activated until the engine starts.
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Tip start. Most new cars have them. Nice to see it being used so far back. Would be nice if 3.0i had it too.
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My 1995 750 has this neither one of my 3 series have it, nor does my 5 series touring, but both my x5's my 540 and 750 do. |
This feature is tied to engine control unit version, not the chassis. 4 or 6 pot engines don't have this option.
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I remember a thread over on e46fanatics where someone retrofit push-to-start but never elaborated on how they did it. Maybe it’s not so difficult with the right EWS module and coding. Edit: and the relay as well |
This feature has nothing to do with EWS module. It works the same regardless of convenient start.
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The push to start models the convenience start is still an option it's just on by default.
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