The SVT itself has never reported any codes per ISTA, AFAIK. Just back from a spirited 20 minute drive with several on/off cycles. It's showing 3 yellow dash lights for tires, lights, and check engine. I do have codes but none attributed to SVT:

Code Description Mileage (perhaps in kms)

000004 LWS: Slider fault (adjustment operation) -1

000004 RDC: Wheel detection not possible -1

00002E RDC: Wheel electronics, front left: no reception -1

000031 RDC: Wheel electronics, front right: no reception -1

000034 RDC: Wheel electronics, rear left: no reception -1

000037 RDC: Wheel electronics, rear right: no reception -1

0000A1 MRS: No message from DSC control unit or message incorrect -1

00003C LM: Number-plate light faulty -1

006E3E DSC: Steering-angle-sensor adjustment required (redacted)

00578E EGS: Gearbox oil: wear (redacted)

002A82 DME: VANOS intake (redacted)

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2008 X3 (E83-LCI) 3.0si M-Sport
2004 X5 (E53-LCI) 4.4i M-Sport
1994 318i (E30-LCI) race car - sold