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People are wondering why they draw so little power out of the 6 cylinder engine.
I have a theory. These motors have to perform (and last) at random intervals, often under full throttle right after a cold start.
They must be designed for longevity as opposed to peak power.
I have a 530e (with a detuned 4 cylinder) and when I leave for work in the morning it starts out in full electric mode. The ICE kicks in when I mash the pedal on the highway onramp. Think about that. A cold engine asked to deliver full power in a fraction of a second. That can't be good for durability.
(I actually got into the habit of flicking the transmission into sport mode -thus forcing the engine on- at red lights prior to reaching the freeway...just to give it a chance to warm up a bit.)
my 2c
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