Great info guys... thx

We are having another "extreme" cold weather wave this week here in Montreal but as soon as it warms up a little , I will have this done and report back. But , I've been revving the beast a little more the past few short trips to work and I must say the rough idle was not as noticeable this morning...

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His : 2005 X5 4.8is (SOLD)
Hers: 2007 X5 3.0si (SOLD)
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Retired:
1999 518
2000 323i
2002 M3 (beautiful car)
2003 330Ci