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      01-27-2011, 11:49 AM   #2
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Drives: White E92 M3
Join Date: Jan 2011
Location: Schaumburg

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In most cases, yes. It depends what you have on your car. The tunes are the biggest factor IMO. Every time a BMW tech plugs your car in, all the data from your car gets sent to a main BMW hub. If there is something they see in the programing, like a tune, they will send the tech a email and it will automaticity void your warranty. So, it's not really up to the tech anymore. But, with all the other stuff, it is up the the service writer and tech. If I had a tune I would get it taken off before I went in, unless it's a Dinan tune.