829 posts · Joined 2011. #6 · Feb 9, 2013. Battery test came back with a good unit but needs charging. It was at 58%. I'll have it back in an hour so I can try to get it started. If that doesn't work ill inspect the crank sensor. TZ. E60 M5 SMG - Sapphire Black exterior, Black interior, Full leather, Ventilated comfort seats, Aluminum trim
PVUM5. 154 posts · Joined 2010. #3 · Apr 9, 2011 (Edited) I ahve a similar issue except my date and time reset is accompanied by a "high battery drain" check control message. Dealer checked the battery and alternator on first occurance and stated that they were fine.
With the engine running open the hood. turn the engine off and remove the key. Listen for a click after the engine is off. This is the post run test for the throttle actuator. If it does not cycle fully, or in the expected time the DME should set a fault code. This is an easy way to verify that the actuator is at least cycling when a command is 7 people found this helpful. You are correct that the 06 M5 did have some more issues then the 07 on up. Of course with any car maker the first year of production normally shows the most problems. My suggestion is to get a 2007 and up. The s85 motor in 06 did have an issue with the high pressure oil pump failing they fixed this issue in 07. C6ozWZ.