Dinan has stage 1, 2, 3, softwares out for the 545i man and auto. I guess that means the X5 4.4 software is not far behind. Over the past 2 years ive noticed that Dinan has always come out with 545 engine parts first then the X5 4.4 parts came out soon after.

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Dinan M3

2006 X5 4.4i Sport Current Vehicle
2006 CLS 55 AMG Current Vehicle
2010 FORD F-450 King Ranch Current Vehicle
2012 GL 550 Current Vehicle

1999 M3 Dinan S3 SOLD
2001 M3 Dinan S2 SOLD
2002 M5 SOLD
2004 X5 4.4i sport SOLD
2007 335 XI Lease ended
2009 E92 M3 SOLD