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      10-22-2010, 11:44 AM   #13
Chriztofor
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Drives: '06 325i and '13 X5
Join Date: Feb 2010
Location: Chicago Burbs

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Quote:
Originally Posted by auger330 View Post
Ya, I originally considered it but it's just not economical if it can only be used for battery registration. The registration is $90 and the tool i think is like $235. It would take a few battery registrations to make it economical.
It does a lot more than just register the battery. If you are having car troubles (ie: fluctuating rpm, misfiring, etc, it can be used to diagnose the problem.)

When I purchased the peake tool (see my sig) for my e46 it diagnosed the exact sensor to replace when the rpms were fluctuating.
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger
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