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2000 BMW 5series. battery will not stay charged. please advise

2000 BMW 5series. battery will not stay charged. have not been able to drive for 7 months. every time battery is charged, will need charging again, even if drove for 1 hr.

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SOUNDS LIKE THE BATTERY CABLE ENDS NEED TO BE REPLACED AT THE BATTERY IF A BOOST WORKS AND THE BATTERY DOES NOT.. YOU NEED TO ALSO CHECK THE CHARGING VOLTAGE WHEN THE CAR IS RUNNING - IT SHOULD BE MORE THAN 14.4 VOLTS. IF A NEW BATTERY WILL NOT START THE CAR AND A BOOST WILL CHECK THE CABLE ENDS AT THE BATTERY .. IF THE CAR BATTERY WILL START THE CAR WHAN INSTALLED AND NOT START IT AFTER SITTING FOR A WHILE THEN SOMETHING IS DRAINING THE BATTERY. IF THIS IS VTHE CASE THEN TRY HITTING THE MANUAL DOOR LOCKS FOUR OR FIVE TIMES EACH BTIME YOU LOCK THE CAR. DO NOT USE THE FOB OR REMOTE TO LOCK THE CAR.

Posted on Jan 01, 2014

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Posted on Jan 02, 2017

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Charging battery


Hi, Anonymous the best way to charge a battery is slowly. I like to use this analogy, would you rather be awakened from a deep sleep with gentle nudging or a violent kick in the rear.
1. Remove battery and check for corroded or damaged terminals clean any dirt, corrosion or electrolyte that is on top of the battery as this will cause premature battery drain, inspect for cracks and swollen/expanded sides which are a sign of overheating and replacement should be seriously considered.
2. Acid plate type batteries should be checked with a hydrometer with recorded readings for each cell to be compared with after charging readings and for sulfation, the cell will appear milky, and incorrect acid level. Fill low levels with distilled water to upper level and remove acid from over filled cells with hydrometer until the level is at upper mark and dispose of acid in the sink mixed with a quart/litre of water.
3. Connect a voltmeter set on the DC scale to the battery and record the reading for comparison after charging.
4. Attach a drain hose that is not pinched, kinked, or plugged to the nipple on acid plate type batteries and let the other end hang into a plastic or styrofoam cup.
5. Connect a 1-2 amp trickle charger that has automatic charge rate reduction if possible and let charge for 24 hours.
6. After charging recheck each cell with a hydrometer a 100% fully charged cell will have a specific gravity reading of 1.270-1.280 and 1.180-1.190 has only a 25% charge battery should be load tested and considered for replacement if necessary. Reconnect your voltmeter and
any readings in the 10-volt range means you have a dead cell and the battery needs to be replaced. Readings between any 2 cells of 50 points or more indicate the battery has failed and needs to be replaced.
7. No maintenance AGM or GEL batteries need to have a voltmeter reading of 12.8-13 volts for a full 100% charge and 12.2 volts is only a 25% charge and should be load tested and replaced if necessary.
For more information about your issue, please visit the websites below. Good luck and have nice a day.
How To Replace the battery on BMW Motorcycle
BMW battery charger for motorcycles even with CAN bus electronic 77 02 8...
1993 2000 BMW R850GS R850R Service Manual Moto Data Project
BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
http://www.bmw-motorrad.com/us/en/index.html?content=http://www.bmw-motorrad.com/us/en/services/manuals/manuals_main.html¬rack=1

Jan 06, 2014 | 2000 BMW R 850 GS

2 Answers

2000 BMW 5series, battery will not stay charged, and engine runs hot


it does not sound like a battery problem from the info provided. It sounds like your battery terminal post is not connecting at the battery. A cable may have a bad connector end on it and the car runs on the alternator once started. Buy a ten dollar volt/ohm meter and check the ohms resistance in the cables by removing the cables from the battery first and then connecting the test leads to the ends of each cable. The meter should read the same as if the leads we're connected to each other. To test the battery change the ohm meter setting to read volts DC in the 20 to 50 volt range and connect red to positive ( + ) side of battery and black lead to negative side ( - ) of battery. Battery must read more than 11 volts for most modern cars to engage the starter circuit, most working batteries will show more than twelve volts. Jump Start the vehicle with the battery connected and with the booster battery disconnected again test the voltage and it should read 14.5 to 15.5 volts. you may need to replace one or both cables or have the ends at the battery replaced. obviously the cables that run the starter are good or a booster battery would not work either. good bluck.

Jan 01, 2014 | Liquid Performance Premium Brake & Parts...

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My 740i bmw will not start only click i get a jump off and drive it for hour or longer soon as i cut it off it does the same thing


One of two things could be the issue. I would drive it to an AutoZone or similar parts store. They will check the battery (under load, as any battery will normally show 12+ volts with a voltmeter) and should be able to determine if it is the battery or the voltage regulator. Unfortunately if it is the regulator you may have to get another battery as well. But since you can drive for an hour or so after a jump, I would say the battery is not holding charge correctly and needs to be changed. Hope this helps

Sep 18, 2010 | 2000 BMW 7 Series

1 Answer

How do i charge the battery? bmw 3281 convertable , i want to jump start


Ask a neighbour to jump start you. If you drive the car for 30mins this will charge the battery enough for e service charge

Jun 10, 2010 | 2000 BMW 3 Series

2 Answers

2000 BMW 740i starting/battery problem. Battery


I am having the same problem same car & year

did you ever find a solution?

Mar 08, 2010 | 2000 BMW 7 Series

2 Answers

Heater is only blowing out cold air for last few days


you need to 1 check your thermostat or 2 take it to a reputable Rad shop and have them check the rad cores on you car ,sometimes they clog up and they pump coolant under pressure and it clears the core

Jan 09, 2010 | 1992 BMW 3 Series

1 Answer

Bmw 5series 2001 not changing gears, only drive and neutral


hi nickie, it sound like possibly the shifter unit is broken or the shift cable is damaged. it is also possible that some loose change could have wedged itself in the shifter unit. most dealers charge 1hr to access the shifter to inspect and check the cable.

Apr 06, 2009 | 2001 BMW 5 Series

1 Answer

Does anyone know how to reset the windows on a bmw ?/


hello dawney1, if your car is a 1990 5series as listed, then raise the window all the way up. Then hold the switch in the up position for appr. 7-8 seconds and release. If you car is not this year or model, the procedure may vary. also, only the driver's window has a one touch up and down. the other windows only have a one touch down.

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1 Answer

BMW 318 SE warning light


I drive a 2000 5series and the only light that sounds similar is the radiator low water warning light. worth a check.

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1 Answer

I left a door ajar all night in my 2000 BMW 323i. We charged the


Yes, you need a new alternator, and probably a new battery too since it gave up the ghost while slowly dieing from the bad alternator!

Good luck

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