Tyre Pressure Monitor

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   Hi everybody,

Just joined and this is my first posting!

I have a BMW 118i which was purchased in July 2022.
To-date, the car has done slightly less than 5K miles.

I've got 2 queries:

1. Looked at the tyre pressures label on the driver's door pillar.
    Recommended tyre pressure is 2.4 bar.
    This is loaded into the onboard Tyre Pressure Monitor system.
    Yesterday, I looked at the displayed measured values.
    The 2 fronts were at 2.3 and 2.2 bar, whilst the 2 rears were both at 2.1 bar.

    Curious why the system did not throw a warning on the dash to indicate that all 4 tyres were 
    lower than recommended?
    Is it a case that the measured value has got to fall to a certain % of the recommended before a 
    a warning is issued?

2. Also, how will I know when the first service is due?

Rang the 'stealership' (car bought from) yesterday and was put through to a person who did not have a clue in both cases. For query 1, they were insisting that I booked the car in as something must be wrong. Sounds like these outfits have not moved on a jot from when I used to deal with them years ago (over company cars).

Thanks in advance for your help.

wb

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WillesdenBoy Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Member Joined: 21 Sep 2023 Location: St Albans Status: Offline Points: 2	Post Options Post Reply Quote WillesdenBoy Report Post Thanks(0) Quote Reply Topic: Tyre Pressure Monitor Posted: 21 Sep 2023 at 5:16pm
	Hi everybody, Just joined and this is my first posting! I have a BMW 118i which was purchased in July 2022. To-date, the car has done slightly less than 5K miles. I've got 2 queries: 1. Looked at the tyre pressures label on the driver's door pillar. Recommended tyre pressure is 2.4 bar. This is loaded into the onboard Tyre Pressure Monitor system. Yesterday, I looked at the displayed measured values. The 2 fronts were at 2.3 and 2.2 bar, whilst the 2 rears were both at 2.1 bar. Curious why the system did not throw a warning on the dash to indicate that all 4 tyres were lower than recommended? Is it a case that the measured value has got to fall to a certain % of the recommended before a a warning is issued? 2. Also, how will I know when the first service is due? Rang the 'stealership' (car bought from) yesterday and was put through to a person who did not have a clue in both cases. For query 1, they were insisting that I booked the car in as something must be wrong. Sounds like these outfits have not moved on a jot from when I used to deal with them years ago (over company cars). Thanks in advance for your help. wb

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rpennington Members Profile Send Private Message Find Members Posts Add to Buddy List Club Member Joined: 22 Apr 2013 Location: Leic Status: Offline Points: 975	Post Options Post Reply Quote rpennington Report Post Thanks(0) Quote Reply Posted: 21 Sep 2023 at 7:28pm
	Hi Yes they have to go below a certain pressure before you get a warning. Regarding service intervals that goes on a few factors for eg how the car is driven in regards to mileage/date. If you go into the idrive system there is a section that will show when things like front/rear brakes need servicing,oil service etc are due. Hope this helps Rich
	1999 E46 323i se Saloon - sold 2011 E90 325d msport - sold 2014 F30 335d xdrive msport plus pack