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#32
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Just remember "A happy Wife makes for a happy Life".
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#33
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Update on my parasitic battery drain:
After two bimmer mechanics couldn't pinpoint the problem (the second was 90% sure it's the instrument cluster), I've had the X5 sitting in my garage for about three weeks with the 5-amp Fuse 75 pulled (MID, Nav, On-board Monitor, Sound System) and it's started/run just fine after one-, two-, three-, and four-day "sleep" intervals -- so I think I'm onto something. I went back to the MID because of the intermittent "ramp-up" sound I'd hear when in the garage and the car was supposedly asleep. It's like the MID starts its initialize process randomly, without the door(s) or anything being opened. So, I'm assuming I need to swap-out the radio/sound system unit (if I want my music back!). Anyone got a good source for used/pre-owned bimmer sound systems? Thanks. |
#34
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That's one of the reasons I went aftermarket for the sound system. When you turn the key off the radio turns off and it STAYS off.
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Just BMW's - All cars and trucks was two pages long 1994 318is 1997 528i 2000 323i 2001 X5 3.0 auto 2005 X5 3.0 auto 2011 535xi auto 2013 X5 xdrive35 Turbo More are at my website Aftermarket E53 Radio Install |
#35
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Thanks -- I'll check out your thread about it.
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#36
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Okay, I'm inclined to believe something like the MID is randomly kicking on (hence the random electronic sound in the dash when car is asleep) because with fuse 75 pulled, the car has been starting fine. No apparent battery drain over long non-run periods (up to 4-day sit times tested so far). Today, I put the multi-meter back on the battery, and with fuse 75 out, the reading dropped to .02 amps once the car went to sleep. With fuse 75 in, the lowest it dropped was .14 amps once asleep -- so that indicates a .12 amp draw.
Question is, if I purchase a pre-owned radio/receiver and swap it out, will it solve the problem? I'm finding them on eBay for about $180. The pixels on my display are shot, so that would also be an improvement. Anyone care to weigh-in further w/words o' wisdom? Thanks for playing along! This has been more of a PITA than I bargained for.... |
#37
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The MID unit on the dash is just a display - no audio etc. inside it at all. You still need to isolate the fault to the actual radio (either inside the Business/Professional CD player or in the trunk - depends on your model) or the actual MID unit before replacing anything.
You might want to leave Fuse 75 in place and start unplugging the various modules listed here (while monitoring the sleep current): - https://www.newtis.info/tisv2/a/en/e...5-fuse/hWIC4cC Good Luck!
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#38
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Wife's copy of x5 had parasitic drain turned out to be the FSU. Very easy to replace. Lucky for me I stumbled into that possibility early on into the diagnostics; the fan worked at all speeds so it didn't jump out as a gimme, but with 120k miles on the clock, i poked my head in and could tell from the design it was original (fat cone fins vs thin cylinders). replaced and all was well again. Not sure if the FSU is on that particular fuse; 7.5A is too little to run the blower, but if it's the control-side of the unit that could make sense.
Her car has the 'rest' mode that will allow the fan to run when the car is off (even without the key i think), so it would be an easy thing to have a defect and drain power.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#39
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#40
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Once we know what you have, we can point you in the right direction.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
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