I think wpoll means what is the error between the triangles on the display readout?

yeah, thanks - I meant that - too early in the morning - need more coffee! :thumbup:

Tire pressure warning light - how to switch off?
 

There is two:
1.Contr. luci retro. - dunno what is that
2. Contr. Luci posizione - which is front indicator bulb



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Did not intend to correct your post, I know what you meant but I am not sure the OP does. Just wanted to clarify it for him.

Is the first one a failed rear (tail) light? If "luci posizione" is a front position lamp then it seems logical that "luci retro" is a rear light. :D

Failing tail lights are common in these cars - dodgy connections to the lamp. Look into this sooner rather than later, as the tail light fitting can become very damaged by heat if left for a long time.

So neither warning relates to the TPMS warning then.. Hmmm.. Maybe time for a battery pull? Remove the battery negative cable for 10 mins then reconnect and see it it resets everything? :dunno:

Overboost - I didn't take you comment as anything other than helpful. :thumbup:

I'm afraid doing this. Is this will reset my key too? And need to program it again?



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About user manual in the car:
https://uploads.tapatalk-cdn.com/201...75010c5a78.jpg
But no RDC button there :(


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Try the PDC button on your console. Push and hold. If it's like mine it takes about 15 seconds or so.

Will not reset your key. You will get a DSC light on the cluster which you clear by turning the steering wheel from lock to lock.

A battery pull reset will NOT affect your key programming. The only thing you may have to reset afterwards would be the clock. It will also reset any fuel usage statistics and distance recordings in the onboard computer (but not the odometer!).

If that doesn't work you will need to either get a laptop running with the BMW diagnostic software (INPA at a minimum) or take the car to a dealer on an indy for diagnostics. :(