Quote:
Originally Posted by GerryC
I don't believe there is a diagnostic mode in the F series cars. My F30 and F15 didn't have one.
My understanding is that it was added in the G series as BMW introduced a power (fuel) saving feature that turns off modules when they aren't needed. Diagnostic mode makes sure they are all turned on.
Gerry
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Thanks Gerry - that is what my further research has confirmed.