Battery drainage HELP

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May 23, 2012 | 04:56 AM

turtlevtec

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From: NEW JERSEY

My Ride: 04 525I 2009 HEADLIGHTS M5 TECH FRONT BUMPER UNDER CONSTRUCTION........

So i wake up one morning and my battery is dead thought i left lights on but its not the issue put a new battery kills it also alternator good because i gave car a boost once its on the battery charges it discharges when the car sits for a while or over night.i hear a clicking noice up front of the motor like something is running sucking power any suggestions?

May 23, 2012 | 05:45 AM

pukka

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From: Atlanta, GA

My Ride: 2008 535i: (8/07 Build) Metallic Bronze, Beige NASCA Leather, Ventilated Seats, Sport Pkg, Cold Wxr Pkg, Logic-7 Sound, HUD, Night Vision, PDC, Split Rear Seats, NAV, Premium Pkg, Comfort Access, HD Radio, Sport Auto Trans Current mods: M-Aero Kit, JB4, Motorcepts 6000k HID Foglamps Umnitza ICE-Lite 10w LED 6000k AE's 1992 Camaro RS: Fully Restored w/Custom Interior, 5.0L V8, T-tops, OEM Z28 Foglamps, Inst Cluster, & Spoiler, Custom Sound, Too many engine mods to list

There is nothing on these cars that will completely kill a new battery overnight.

Did you swap in a new battery with the same specs as OEM?
Did you get the car programmed to recognize the new battery?
How did you rule out the alternator?

May 23, 2012 | 06:27 AM

turtlevtec

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From: NEW JERSEY

My Ride: 04 525I 2009 HEADLIGHTS M5 TECH FRONT BUMPER UNDER CONSTRUCTION........

Quote:

Originally Posted by pukka

I actually did not put the same specs didnt check anything and how can i make it recognize it all the help i can get wood be great

May 23, 2012 | 06:29 AM

turtlevtec

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Joined: Feb 2011

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From: NEW JERSEY

My Ride: 04 525I 2009 HEADLIGHTS M5 TECH FRONT BUMPER UNDER CONSTRUCTION........

Quote:

Originally Posted by pukka

I actually did not put the same specs didnt check anything and how can i make it recognize it all the help i can get wood be great

May 24, 2012 | 04:29 PM

brooklynbmw

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From: brooklyn ny

check your MPM located in your trunk under the spare tire ...I had the same issue and every thing went back to normal once I replaced it.....your car may not be going to sleep????