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Old 08-28-2019, 05:31 PM
Doug Huffman's Avatar
Doug Huffman Doug Huffman is online now
Nuclear engineer
Location: Washington Island, Wisconsin, thru Death's Door
 
Join Date: Apr 2015
Posts: 12,891
Mein Auto: CPO2012 X5 35d M57(E70)
The battery. The wait from no start to weak start is recovering the surface charge that actually starts the car.

Buy a new proper battery. Properly bench charge it before installation. Register it sooner than later. Ampere-hours capacity is the ONLY meaningful specification.
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