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      04-18-2014, 06:42 PM   #16
dave7002
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Drives: 2014 M5
Join Date: Nov 2011
Location: Birmingham, AL

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Quote:
Originally Posted by dhirm5
You also get a significant difference in overall comfort by adjusting tire pressure.

I just had aftermarket 20s installed in place of the OEM 601m - also 20 - and I was surprised by how harsh my ride had become.

Checked pressure and they had all set up around 40 psi cold. Backed that to 37 all around and it made a big difference - feels as before now.

The manual calls for 35 for normal driving under 100mph - and I believe that's what we get from the factory in the US.
Do you regret the 601's? Did not like the look?
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