P80GLT wrote: ↑07 Dec 2023, 10:17 It's the switch for the brake vacuum pump part number 31400692 and yes it's in the correct location
EngineBay.jpg

Good answer, and damn clean engine bay. Well done!

Solution: Immobilizer antenna ring was bad, possibly contaminated when I cleaned the ignition tumbler. New OEM part (8621509) was $72.99 shipped from FCPEuro. Once installed, all three keys started the car with the 1st turn of the key. Advice to those with ignition tumbler problems, remove the Immob...