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Originally Posted by TFBravo
Pretty sure its just me not being used to the car. Maybe you're right with the memory of the button, the only thing is I thought this was a federally mandated feature hence why on all the cars every time you hard cycle the ignition, the default would be on. The function came on today during consecutive drives, so I don't think its a memory feature.
And 100% the feature won't work if the engine and fluids are still warming up, had the same thing in the AMG, where it stated in the manual, pretty sure it states that in the BMW manual. In the AMG thought you could not override it if the engine was cold, it just wouldn't work, it think the BMW if you cycle the button it might activate even on a cold engine. Will have to test that.
I'm not worried about engine reliability, its a myth since the stop/start vehicles come with more robust ignition components. But it seems that the function does not turn on for me until I get to do multiple consecutive drives, my first drive to work is about 14 miles and it never turns on which is nice.
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Well on my car, I pressed the button once to turn it off at the delivery center and it's been off ever since. Never turned back on on its own.
Until fluids warm up is a very broad term, are we talking coolant temp with dead cold oil? Fully warmed up oil? Halfway warmed up coolant? Lots of different scenarios, and I can't really say for myself since I never use it. But in a rental jaguar xf with the supercharged v6? It would turn off at the end of my street which us about 100 feet.
We can agree to disagree on that, it's not the ignition components that are the issue, heck even the starter might be fine, the main issue is the wear and tear between metal parts of the engine that don't have an oil film to separate them (and youre gonna say everything is coated in oil so its fine, and yes while it's less wear than a cold start, you still need a split second to get oil pressure to push the rods and crank away from the bearings they rest on when the engine is off) as well as potentially the top end where the oil has drained down if left off long enough (and it doesn't take that long) but hey I'm not gonna tell you how to drive your car. Just gonna put this in as a closing remark: when I went to do my performance delivery, first thing they asked us to do was turn stop start off for the track vehicles since "you're gonna be stopping a lot and there's no reason to put so much wear and tear on these cars" and even when we were in the m340 doing the skid pad, were told to just leave em on since it's better to idle than to turn em off and back on again.