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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > 328i tires inflation



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      07-03-2011, 02:05 PM   #1
my328i2011
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328i tires inflation

Guys... I picked up my new 2011 328i non-sport package last weekend. I got 225x45x17 and got about 44 psi on all four tires. The manual recommend 32/39 (sedan) for my car. should I deflate the tires to manual recommendation or should I leave as is? I appreciate all of your input.
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      07-04-2011, 12:58 AM   #2
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you should put it to what the manual says.
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      07-05-2011, 12:25 PM   #3
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Quote:
Originally Posted by my328i2011 View Post
Guys... I picked up my new 2011 328i non-sport package last weekend. I got 225x45x17 and got about 44 psi on all four tires. The manual recommend 32/39 (sedan) for my car. should I deflate the tires to manual recommendation or should I leave as is? I appreciate all of your input.
44 PSI is quite high... With high temperatures and aggressive driving, you can see that anywhere in the 46-48 PSI range, which is extremely high.

I would recommend lowering them down to 35 PSI and go from there.

Over-inflation can cause uneven wear as well.

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