Putting 30" winter tires on my X7 compared to the 31" stock tires. There are options in the idrive menu for various winter set up sizes, but all are 31"... is there a way to code a 30" tire instead?
Sorry if this is a dumb question, I've tuned my diesel trucks and changed the tire height in the ECU for upgraded larger diameters, but have never tried to mess with any of my BMWs before.
Jay
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Elsie - '21 X7 M50i
Snappah - '15 X5 35d (retired)
Herbert - '12 X5 35d (retired)
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