Question about 2001 BMW Z3

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Wont start 99 bmw z3 coupe it started when i let car sit for a month battery completey dead of course i tried a jump box then my truck wouldnt jump off replaced battery ,car turns over but will not start after poping the hood smoke arised from computer had a 1 brown wire burn up where computer is the computer also burned a transister on it as well belive too be going to the fuel pump took too bmw they replaced computer but couldnt fix car had it for 2 months been 2, 3 mechanics nobody sems too know why it wont start so its back home now hasnt been running now for 6 months i ned some help on geting my car fixed what can cause it not too start electricly? bill 256-369-1117 billdurney@yahoo.com

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DME relay is faulty, its seperate from the ecu and was most likely fried when the ecu went........did anyone try to run an on board diagnostic code pull?

Posted on Jan 12, 2009

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Something is draining the battery on our 2002 bmw z3.the battery and alternator checks out good,what is draining the battery??


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My battery died and when I jumped it the car started but the dash is blank. the windows, radio and A/C work fine. Do I have to reset something?


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1 Answer

How do I jump start a bmw 650i. I do not know where is the battery located


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BMW e46 won't start because of the alarm.


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1 Answer

Bmw z3 1999 will not crank


The problem sounds like the battery has run down. Even though the ignition is off, things like clocks and the radio draw small amounts of power to retain their settings, and the instrument cluster doesn't draw as much power as the starter. It usually takes about a month or so to drain the battery. Try jump starting the car, or put it on a battery charger for a while.

Aug 11, 2012 | 1999 BMW Z3

1 Answer

Car has been sitting 5 months without being started


the battery may be shorted out. do you have a meter to check a batteries condition? if not take the battery into the parts store and they can tell you if it has a dead short in it which means the plates inside the battery have sulphated together and wont allow current to pass through them. lead acid batteries are real bad about this if they go completly dead even if they are newer batteries.

Jun 04, 2010 | 2006 Ford Ranger

1 Answer

When i start my lucida it cranks once ,then clicks and clicks and


go ahead and jump it. your battery is dead or you have a bad connection with the battery cables. try jump starting it or at least hooking up a battery charger over night. (the engine size of the vehicle wont determin if it will be able to jump start the other vehicle.)

Apr 22, 2009 | 1996 Toyota 4Runner

1 Answer

My z3 starting problem


i would say its a dead (flat) battery. if its more than 4 or 5 years old, it might be time to replace it.

try jumping it with another vehicle. if it jump starts, then replace the battery.

if its a newer battery (less than 4 years old), then something is draining the battery or the alternator is not recharging it.

Mar 11, 2009 | 1999 BMW Z3

1 Answer

Yes i have a 99 bmw z3 coupe will not start been 2 the bmw dealer they replaced the computer but stil couldnt fix the problem, it started with i let car sit up for a month covered , went too go start it...


hi,i have bmw z3 coupe 1999,2,8.i was having same problemes,and it` cost me money by mecanic by geusing(starter,altermateur) like 1200$,belive me the probleme was the battery, get a new battery,and make sure the+ i mean the red line in the battery is good and try to move it to make sure good luck..

Jan 11, 2009 | 2002 BMW Z3

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