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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Wheels and Tires > What PSI for 20s?
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      04-03-2015, 07:09 PM   #1
PabloK
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Question What PSI for 20s?

What PSI do you guys recommend for 20s?

For my MPSS I'm currently at:

Front: 35
Rear 38


What is everyone else running? The PSI seems to fluctuate 1-3 PSI... I assume that is normal as temperatures change?
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      04-04-2015, 03:45 PM   #2
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I'm running 38 front and 44 back ... tires are 245/30/20 and 265/30/20.

My owners manual suggests the same, 38 front and 44 back for a 225/35/20 & 255/30/20 setup.
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      04-05-2015, 12:10 AM   #3
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38 front
42 rears

30 and 25 series tires
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      04-05-2015, 09:52 AM   #4
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Damn so I'm really low... I had no idea... I just guessed it was close to what the 19s would call for on the side door.

Thanks Guys.
Pete
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