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      11-06-2010, 08:25 AM   #3
Chriztofor
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Drives: '06 325i Auto
Join Date: Feb 2010
Location: Chicago Burbs

Posts: 2,622
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I changed my auto transmission oil 2x and I don't remember seeing any lights showing low-level. Bmw believes that since it is a closed system it doesn't need a dipstick. However, they recommend changing it at 100,000 miles (even though the sticker on the pan states "lifetime"). They also overlooked something, they are assuming your transmission lines/pan/seals will never leak. If and when they do, that will ruin your transmission and you won't know it until it is too late. The art of engineering.
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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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