BMW Charging & Starting

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Starter motors and alternators have a tough job. Starter motors are high-torque motors which must have the ability to turn over, or crank, an engine under varying weather and mechanical conditions. Without a functioning starter motor, you simply cannot start up a modern vehicle's engine.
By definition, an automotive battery is an electrochemical device that stores and provides electrical energy on demand. Electrical energy is produced inside the battery by a chemical reaction occurring between two dissimilar plates immersed in an electrolyte solution. When the battery is discharging, it changes chemical energy into electrical energy and releases...
Hybrids are everywhere these days and can be defined as, "any vehicle combining two or more sources of power which can directly or indirectly provide propulsion." Although all hybrid vehicles on the market today use batteries as one of the power sources, there are different mechanical layouts and operational approaches in the way electric motors function alongside...
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BMW Charging & Starting Reviews
Average rating:4.54.6 - 7 reviews
1997 BMW 3-Series
| Posted by | (White Lake, MI)

The alternator sent to me did not match the original alternator exactly. The old one has a pressed nut fitting where the new one merely had a pressed in sleeve, meaning the old mounting bolt would not screw into the new alternator like it did on the old one. I did have to run to the store and buy a replacement bolt, washers and nut to make it work. It does work well and over all I am very happy with the alternator other than the extra time and expense needed to install it properly. It did go in quite easily once I had the new fasteners! Thank you!

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