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      08-16-2013, 05:04 PM   #4
mibmwx3
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Drives: 2019 X3 M40i
Join Date: May 2011
Location: Michigan

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I have SAP with 309 summers and 307 winters. I don't have DHP. The 307's have a softer ride, but other than that, I didn't notice any difference in handling.
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