Correct F10 M5 winter tyre pressure

[HoHoHo]

I've got my BMW 408M with Pirelli W240 Sotto Zero's on and they are all currently running 2.2 bar.

I can't find a definitive answer to the correct tyre pressure anywhere...............

Any thoughts/help?

[RichardM5]

Should be on the sticker inside the drivers door if they are the BMW recommended size. Should also be in the owners hand book.

For the 255/35 R20 97 on the M6 GC they are 33 psi front 39 psi rear. However the pressure may be different for different load ratings.

[HoHoHo]

RichardM5 said:

Should be on the sticker inside the drivers door if they are the BMW recommended size. Should also be in the owners hand book.

For the 255/35 R20 97 on the M6 GC they are 33 psi front 39 psi rear. However the pressure may be different for different load ratings.

Ahhhh, inside the door.

Hmmmm, I'll have a look tomorrow am but thought that was only summer tyre info so I may well be educated shortly..... doh

Thanks.

[JMBMWM5]

HoHoHo said:

I've got my BMW 408M with Pirelli W240 Sotto Zero's on and they are all currently running 2.2 bar.

I can't find a definitive answer to the correct tyre pressure anywhere...............

Any thoughts/help?

I have the Michelin Alpin PA4 20" I just fitted them @ 38PSI all round.

[BobSaunders]

Inside the drivers door on the metal - has a number of tyre options and weight options.

If yours does not have it, then the in-car electronic handbook should have it.

[Jazzer]

I just sent mine a text....35 psi all round!!

[HoHoHo]

Jazzer said:

I just sent mine a text....35 psi all round!!

[Jazzer]

HoHoHo said:

Jazzer said:

I just sent mine a text....35 psi all round!!

Makes me smile, people just don't believe the technology on these things!!

[HoHoHo]

Jazzer said:

HoHoHo said:

Jazzer said:

I just sent mine a text....35 psi all round!!

Makes me smile, people just don't believe the technology on these things!!

Can I do that on mine?

[Jazzer]

I think so....it's easy enough!

[HoHoHo]

Jazzer said:

I think so....it's easy enough!

Are you able to give me a clue how to do it, I can't see anything in the BMW app?

[Jazzer]

No idea how it works....my car number was added to contacts on my phone....texting is like speaking with the handbook.

The Product Genius at Eastern set it up....

[RichardM5]

OK, you've got to tell us how to find out the number of your car now - otherwise it did not happen!!

[HoHoHo]

Jazzer said:

No idea how it works....my car number was added to contacts on my phone....texting is like speaking with the handbook.

The Product Genius at Eastern set it up....

I wonder where I get my car number from

[Jazzer]

Have a chat with Michael Douglas at Eastern BMW.....he's the Product Genius....technical boffin!

[W8PMC]

How the fk do you do this??

No mention in the handbook. Is it a feature enabled on a recent BMW software patch?

[HoHoHo]

W8PMC said:

How the fk do you do this??

No mention in the handbook. Is it a feature enabled on a recent BMW software patch?

I've not had a chance to find out yet (too busy at work), whoever does can they please post instructions, thanks.

[HoHoHo]

By the way the correct pressure seems to be 2.4 bar which they now are.

Thanks for the advice

[RichardM5]

There is some phone info in the iDrive service menu, but none of it appears to be a phone number.

For those that don't know

Press the Menu key
Click the iDrive controller up and hold for 10 seconds or more.
Turn clockwise (down) three clicks
Turn anti clockwise three clicks
Turn clockwise one click
Turn anti clockwise one click
Turn clockwise one click
Press the iDrive controller - it appears to have no effect.
Now under Settings you have a service option at the bottom.

[JMBMWM5]

I was told to increase the PSI by 3/4 pounds in temperatures of 7/10 deg C as when the temp drops too Zero so the tyre pressures drop 3/4 PSI.
I always run at 38 PSI set when I fit thew winters and temps are around 7/8 deg C at that time.