Not sure how it works, but the iDrive does have a Tyre Pressure Monitor, and it seems to work.....
Had an hour to kill between lists today, so went for a squirt along the Eastern. Driving back through Box Hill, Tyre Pressure Warning comes on. Little message on screen basically said "..check tyres, don't drive over 80..."
Filled tyres and rear passenger was 60 kpa below others.
Popped into Donellan's Box Hill, sure enough, nail in tyre!
Got a newbie fitted (only 630 friggin dollars, if you don't mind).
Here's the thing.
Once new tyre was fitted, I had to re-calibrate the TPMS!. It needs to be done with the car stationary, and ignition on. It's under the "Tyres" submenu in the "i" menu.
If our TPMS works on load differential, presumably that's why it's done stationary?
Anyhoo. It seem to work well on this occasion.
Should've sat in the café reading the paper!
