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      11-25-2017, 11:06 AM   #1
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405 18" winter tyre pressures please ?

Anyone know please ?

Thanks in advance
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      11-25-2017, 11:15 AM   #2
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Pump all my tyres to 2.6-2.7bar
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      11-25-2017, 11:31 AM   #3
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Thank you teaston
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      11-25-2017, 11:31 AM   #4
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Quote:
Originally Posted by Bertz View Post
Anyone know please ?

Thanks in advance
For 225/45 18 - front 2.4bar and rear 2.6bar
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      11-25-2017, 11:49 AM   #5
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Quote:
Originally Posted by Bertz View Post
Anyone know please ?

Thanks in advance
Door plate from my F31 340i:
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      11-25-2017, 12:01 PM   #6
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Quote:
Originally Posted by Minty View Post
Door plate from my F31 340i:
Yes so 2.6 on front is perfectly inbetween 2.2 & 3.0, I wouldn’t go higher than 2.8 on rear though.
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      11-25-2017, 04:16 PM   #7
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Doesn't it depend on the car you have?

Mine is the same as my summer tyres even though the sizes are different.
32 front and 35 rear.(2.2 bar front and 2.4 bar rear)
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Last edited by sensible; 11-25-2017 at 05:46 PM..
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      11-25-2017, 06:04 PM   #8
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Quote:
Originally Posted by sensible View Post
Doesn't it depend on the car you have?

Mine is the same as my summer tyres even though the sizes are different.
32 front and 35 rear.(2.2 bar front and 2.4 bar rear)
I always go somewhere between the unladen and laden pressures, often the unladen pressures are way too low.
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      11-26-2017, 12:38 AM   #9
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Quote:
Originally Posted by teaston View Post
I always go somewhere between the unladen and laden pressures, often the unladen pressures are way too low.
I find the quoted unladen pressures for my summer tyres just right. The tyres wear evenly and the handling is good. The other day I put in 3-4 psi too much and could feel the ride was a lot harder.

With regard to winters, I will give it a go at the quoted 32-35 and see what it feels like, but for winter conditions it would be wiser to go softer than harder. You don't want overly hard tyres on an icy morning.

It looks like the bigger engined cars have more pressure, which makes sense.

Last edited by sensible; 11-26-2017 at 01:30 AM..
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