1992 BMW 318 Battery System

1992 BMW 318

MOHD4692

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Electrical problem
1992 BMW 318 4 cyl Automatic 127000 miles

Hello,

This is the first time for me driving BMW car, one of my friends faced a problem with his car battery as its discharged and asked me to help him by making my battery in parallel, but when i opened the engine cover, i found just the (+) and i didn't find the (-) !! how can i do the parallel in batteries in this case?

Best Regards,
Mohd4692

Sep 22, 2009 at 9:43 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.

DR LOOT

CAR REPAIR CONTRIBUTOR
2,311 POSTS

[quote:faf30e0300="mohd4692"]Electrical problem
1992 BMW 318 4 cyl Automatic 127000 miles

Hello,

This is the first time for me driving BMW car, one of my friends faced a problem with his car battery as its discharged and asked me to help him by making my battery in parallel, but when i opened the engine cover, i found just the (+) and i didn't find the (-) !! how can i do the parallel in batteries in this case?

Best Regards,
Mohd4692[/quote:faf30e0300]

I've seen other BMW models that have a ground lug bolted to the strut tower. In your case, I would use one of the 3 nuts holding the strut into the tower as a ground lug.

Good Luck
Dr Loot's Assistant

Sep 26, 2009 at 1:14 AM