Just wondering why you'd need special hardware to achieve this as I've had this in both of my cars, early 75 and ZT-T 260, for years ?
There's a hidden feature in the LSM that does just that, you can code it with Navcoder for instance, or other BMW iBus tools such as BMW Scanner...
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2004 MG ZT-T 260 - LHD - Auto transmission (the only known auto ZT-T V8) / 1999 Rover 75 2.5 V6 Connoisseur - Dealer Launch - LHD
1993 Rover 827 Coupé - LHD / 1993 Rover 216 GSi - LHD / 1975 Rover P6 3500 - LHD
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