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#11
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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 |
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#12
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Well I just removed the tcu from mine. Charging the battery up now for testing.
If it isn't down any tomorrow problem solved hopefully. If I wasn't going to switch to an aftermarket radio anyway I would permanently fix the tcu issue by rewiring its power feed to an ignition wire in place of live all the time. Come to think of it I may do that anyway. Kind of sounds like fun and it will be a bit before the new radio gets here anyways. Well lets see how this test goes first. |
#13
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Thanks for all the replies. Good to know the e53 doesn't need the battery programmed. This is a more common problem than I realized. I'll report back once my indy figures it out.
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#14
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Well with the tcu out of mine I'm sitting at 12.75 volts after 4 hours. I think we have a winner. Of course tomorrow mornings reading will be the real test.
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#15
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Update: second BMW mechanic cannot find the source of the battery draw. X5 goes to sleep as it should. He's noticed the instrument panel gauges come on randomly -- temp gauge, etc. Has found some computer error codes relating to the instrument cluster, so believes the cluster needs to be replaced. BMW charges $1,600 for the part! So, $2,000 out the door, but with no guarantee it solves the problem. I'm walking away -- and maybe time to sell. It's been over a month, and two mechanics, with no clear solution.
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#16
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If you decide you want to repair the cluster, I have used this company:
BMW X5 Series (E53) COMPLETE Instrument Cluster Speedometer Repair Service | eBay They are located in the U.K. For 380 they will repair and no coding needed after. Something to think about..
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2000 E53 4.4 2011 E70 35d |
#17
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After vehicle goes to sleep, my cluster temp gauge has been seen coming on randomly by itself and swept back and forth several times before turning back off. Found faults for CAN communication to instrument cluster in both the engine and transmission computers. So, 90% sure it's the culprit for battery drain. |
#18
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Another update: two BMW dealerships I called said they won't install/program a used instrument cluster -- one said it's against the law, the other said it wouldn't work anyway, since clusters are tied to the VIN. So, I'm looking into BBA Remanufacturing and itscoo2pyopants eBay recommendation that's in the UK for repairing my cluster.
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#19
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Its doable with the right software. I have reprogrammed clusters for people before on e39's so its doable in an e53.
Its been a few years since I did it and I don't remember the exact steps I did but I don't remember it being that hard. Seems like I cloned the eprom from the old cluster and flashed it to the new one but again its been years.
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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 |
#20
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If you have solder skills, you can desolder the M35080 eeprom off the old cluster and solder it on the donor cluster. This will only keep the mileage. I think you still need PA Soft to correct the VIN.
https://www.bimmerforums.com/forum/s...luster-Mileage
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Digital Competition Systems The older I get... The faster I was... No Fear Last edited by Overboost; 08-30-2017 at 08:37 PM. |
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