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#1
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Thanks for the reply mate... ok, so with the headlights on (LED's) and the hvac fan on high the voltage at the battery dropped to 10.9V.
From comments earlier in this thread it seems like I'm needing a decent charge into it. Cheers
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PREVIOUS 2006 E53 X5 3.0D 2004 E53 X5 4.8is 2004 E53 X5 4.4 Sport 2011 E70 X5 3.0D with Aero kit 2009 E71 X6 50i Sport 2009 E70 X5 50i Sport 2007 E60 540 M Sport LCI (All time favourite car) 2007 E70 X5 4.8i Sport 2005 E53 4.8is 2003 E53 3.0 Sport Last edited by LVR; 09-27-2018 at 12:21 AM. |
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#2
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Yeah, sounds like it might come up OK with a decent charge. Still, with a resting voltage of a tad over 12v, the BMW charger should be OK. Have you tested the BMW charger on another battery, just to eliminate a faulty charger?
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
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#3
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FYI: just to reiterate whats been mentioned several times...the E53 battery DOES NOT need to be coded.
If you end up replacing your battery with a new one...and you get told/charged with coding/registering the new battery...DO NOT fall for this. It doesn't apply to your e53 because it doesn't use an IBS (intelligent battery sensor) and neither do you have the LIN or BSD bus. The IBS started with the new generation BMWs...and the early new gen BMWs (like the e65/e66/e90) that didn't have an IBS but do have the newer LIN & BSD communication bus...requires battery registration/coding. ![]() ![]()
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Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral.
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#4
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Cheers for that QS....my bad must be my memory from having an E70 that needed doing..
Well, went out to the garage this morning and she's officially dead, not even a click... guess I now know the answer to the battery status... Off to spend some money
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PREVIOUS 2006 E53 X5 3.0D 2004 E53 X5 4.8is 2004 E53 X5 4.4 Sport 2011 E70 X5 3.0D with Aero kit 2009 E71 X6 50i Sport 2009 E70 X5 50i Sport 2007 E60 540 M Sport LCI (All time favourite car) 2007 E70 X5 4.8i Sport 2005 E53 4.8is 2003 E53 3.0 Sport |
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#5
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Open Circuit Voltage Approximate State-of-Charge at 80°F (26.7°C)
12.65 100% 12.45 75% 12.24 50% 12.06 25% 11.89 or less DISCHARGED
__________________
2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
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