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In Reply to: Weak Battery (or Alternator) ? posted by 7er on July 22, 2001 at 08:45:14:
You likely didn't give it long enough to fully charge a dead battery. You should put it on a trickle (~2 amp limit) charger over night, or longer, to get the battery up to full charge. Once you have done that, then you will be in a position to see if it will hold a charge and whether you should be looking at a new battery or not.
'88 750iL
Hi,
My 1992 750iL (117,500) has been sitting in my garage
for 3 weeks until I tried to start it up last night.
(Actually, have not driven the car much in the last few
months).
Had a hard time even getting inside the car, since the
key fob would not work, and couldn't even manually open
the car with the key. Anyway, with some help from a
dealer technician was able to manually open the
passenger door, and was able to jump start the car.
(The jump start took a lot of tries since the battery
was completely dead.)
After about 30 minutes of driving around, turned off
the engine, and tried to start it up again. Alas, the
engine was completely dead again.
Symptoms (after turning off the engine):
1) Even the interior lights would not light up properly,
and was very dim.
2) Once I locked the doors, the locking system went into
a strange ritual and kept locking the doors (not
unlocking) repeatedly 5-6 times, and then stopped.
Questions:
1) Did I not keep the car started long enough (after the
jump start) before sutting it off ?
2) Do I need to get a new battery ?
3) Do I need a new alternator ?
4) What is an estimated price to get a new alternator
for this car ?
5) BTW, where is the battery in the E32 750's ?
(I just found 2 bolts for the jump start ?
Would greatly appreciate your responses. Thank you.
Regards.
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