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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 07-12-2014, 08:50 AM   #1
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only starts as n wen

Hi i jus bought a 2.2 320 n recently started problems with it starting the battery is all good had it drop tested n all gd but wouldn't start other day so put it on charge n after about 10 mins the charger sed it was fully charged so put back in car n it started n will do all day but try n start it next day n i have to start the same process puttin in on charge for 10 mins etc etc n if if don't start wen im out i have to get a jump start i no it seems a really bizarre issue does anyone have any ideas
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Old 07-14-2014, 01:37 PM   #2
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If I translated... that... into English correctly, it sounds like you have a parasitic load on your electrical system that's discharging the battery overnight. Follow these directions to track it down:
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Old 07-14-2014, 01:59 PM   #3
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Old 07-14-2014, 04:55 PM   #4
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Unless the battery was load tested and proven to be good I'm suspecting the battery is the culprit. Parasitic draws are easy to look for, though, so do that first.
John V
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Old 08-13-2014, 02:53 PM   #5
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Originally Posted by emgee View Post
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