Quote:
Originally Posted by HotWheelsRedline
Our X5 has a parasitic battery drain that started June 5th. Replaced the dead BMW battery and alternator tested fine, so thought we were good to go. June 27th, car won't start again -- jumped, runs fine. July 8th, no start -- July 19th, no battery power again. Thru all of this, never any warning lights on dash. Now my friend/indy mechanic is checking it. Has ruled out the radio, Aux fan, TCU, FSU, NAV, sleep mode.
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Update: Since I got a full refund on the replacement AAA battery and credit from Visa as well, I decided to swap it with an Interstate Megatron 85 Plus, and haven't had any issues since late October. The installer tested the AAA batt and found the cold-cranking amps fell to the floor when heavy load applied. Lesson-learned: step away from AAA batteries!
01-23-2018, 08:14 PM
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