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      03-29-2013, 02:46 AM   #9
martin mustang
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Drives: 640d,X5 45e, 911c4s, 635csi
Join Date: Apr 2011
Location: Ireland

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Quote:
Originally Posted by james d View Post
Has anyone any experience/knowledge of performance upgrade kits supplied by BMW dealers? Advertised from about £900 plus fitting for approx 10% increase in power/torque which if true may be a good compromise rather than P/Ex up to 525/530D with all the hassle involved.
Particularly keen to find out if performance/economy is noticeably different and impact on insurance quotes(if disclosed!)
Wondering did you go ahead with the upgrade, if so was it worth the expense? thanks for your feedback!
Appreciate 0