ARD, thanks. Good point about the wiring.

It is a very consistent thing and sounds like a solenoid or relais. That is why I think it is a lock out of some sort. Too busy to focus on it, it has been doing this for a good six months or more. I have decided to delay shipping it until May, that way I have more time to get it sorted.

Today got quite bit done on the e53 engine and then changed two tires on my Tundra, those 275/55/20s weigh a ton!

Hoping somebody on here had something similar happen with their E70 shifter.

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2003 4.4i black ext./black int./black headliner (kid's runabout)
2014 535d X-drive, M package, silver/black interior

Sold but not forgotten:
2009 E70 35d, black ext./black int./black headliner (sold 2021)
2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly...

Other hardware:
2015 Cayenne S (wife's new DD and definitely wroooommmmm)
2016 Tundra 1794 edition crew cab, luxo hauler
2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles.