Quote:
Originally Posted by 3Bimmer
Check the sticker on the lower right of the driver's side door jamb. The recommended pressures are listed based on load. tires, etc. For USA it is 32 front, 38 rear.
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Given the different tyres fitted to the X3 at manufacture those PSI ratings can only be approximate, they cannot be optimal for all. It's down to individual judgement on what works best in your locality. I'm not suggesting a 50% difference but +/-10% or 15% is perfectly reasonable.
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