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#11
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my inefficient n62 doesnt seem all that bad now.
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2008 E70 4.8i sport space gray 20" staggered 214 wheels Tech package Cold Weather Comfort Access HUD |
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#12
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Quote:
Cammisa also wrote: "BMW of North America has recognized a number of N63 components with high failure rates, including timing chains that stretch and snap, leaking crankcase ventilation and fuel lines, and malfunctioning fuel injectors, mass airflow sensors, and vacuum pumps", which was going to be a safety concern and recall if it was true. |
#13
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1. Lets the engine run for 1-3 minutes at idle befpre turning off
2. Change the EPA rating. 3. Trickle charge. It is actually unbelievable if they will not cover the battery under the maintenance plan... The other interesting lesson, is for all BMWs, and X5s in particular, is the weird charging schema can lead to 'low voltage' conditions during use, with spurious error messages. Its why one of the standard responses- when someone lists a passel of serious sounding error codes from many modules- is 'replace the battery' or 'ow old is the battery' |
#14
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Quote:
Interesting. Seems there's a lot of conflicting study result data on this subject online. European study on the topic..... Lithium-ion vs Lead-Acid cost analysis - PowerTech Systems PowerTech Systems With an automotive issue (such as being discussed in this thread), a 50% DOD cycle will ruin approx 4 lead acid AGM batteries for 1 Li-Ion battery.
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'03 X5 4.4 Sport, last of the M62s (8-03 build date) I believe in deadication to craftmanship in a world of mediocrity! Last edited by TiAgX5; 05-12-2015 at 03:54 PM. |
#15
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Quote:
I maintained a Gould TLX-39B (Pb alloy-acid) battery and Battery University.com nowhere contradicts that training.
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Believe nothing read or heard without verifying it oneself unless it, Weltanschauung congruent, fits ones worldview. |
#16
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I am sure the guy in UK with "non star rated tires that brake the transfer case" and rusting wheels that needs replacement would gladly exchange his problems for a new battery |
#17
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Actually they are. If you are under the 4yr/50k warranty and maintenance, you get a new battery at every oil change unless it was replaced in the last 12 months. That is according to the SIB that BMW gave to their dealers.
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#18
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Quote:
Posted that data because it shows DOD cycles of around 50%. The data in the prior link was showing a much lower DOD cycle (like with a full electric vehicle or laptop/phone batteries).
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'03 X5 4.4 Sport, last of the M62s (8-03 build date) I believe in deadication to craftmanship in a world of mediocrity! |
#19
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Why do you say that BMW for sure is not changing them at 10k?
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#20
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I had a 2013 X5 5.0i xDrive and put just shy of 50k miles on it before selling. Serviced on schedule by the selling dealer; never replaced the battery and never had an issue. Sample of one, for all you statisticians.
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Mike 2005 e53 X5 4.8is 169k miles 2018 f90 M5 2018 Volvo XC60 |
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