No, no, no!

Okay....
I was at a friend's house, three hours later, I go to my car...
I try starting it... hold key in starting position for 7 secs! Still no start...
I repeat this process 2 more times.... (engine turns over, but does not engage!!!)
On forth, it starts up... car behaves normally... (Engine temp gauge reads 60C, outside temp is ~75F)
Go for drive (10 min), come back, notice that the idle in drive is at about 900RPM... (too high for this engine temp)
Shift to P, engine RPM goes up to 1500!
I shut off engine, and go inside house... 2 hours later....
I start up and all is normal the whole drive back....

WHAT HAPPENED????!?!
I suspect the ICV (Idle Control Valve) ... is it about to give up on me?
I recently removed it (3/15/05) and soaked it in carb cleaner... got a LOT of brown gunk out... this thing cost $180!

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2006 BMW M5 "Heidi" @ 109,000 miles
2005 MBZ C55 AMG "Lorelai" @ 165,000 miles
1991 MBZ 300E "Benzachino II" @ 165,000 miles
1990 MBZ 500SL "Shoshanna" @ 118,000 miles

(On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!)