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#1
11-22-2017, 10:08 AM
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Error codes that keep coming back...
Couple of weeks ago my 9 year old battery finally had enough. Replaced it with a new AGM from O'Reilly's and successfully registered it with Carly Pro. The next week while my wife and I decided to go on a little weekend trip, lost all power 60 miles from home. All the various items started coming up on the i-drive (AWD failure, Trans failsafe, etc...), dash lights and then no power at all. Not much fun to break down at 0400 on the side of the freeway and wait two hours for a flatbed tow truck with zero power except to barely flash the hazards. All the telltale signs of alternator failure. Look up on realoem.com and find my replacement 220 amp alternator as I have the automatic 4 zone climate control and lucky to find rebuilt at Autozone. Just had to wait until the end of the day to pick it up. Sunday morning install the alternator in 2.5 hours (very happy it went so well and quick) recharged the battery and fires right up like nothing happened. But then have a message that the oil level sensor isn't functioning. Scan with Carly and get a host of errors (listed below) that I attribute to the alternator loss. Clear the errors, 3 wouldn't clear (A559 Instrument Cluster "Shutdown", 2EA0 Oil Sensor, A83A Gear Switch "unknown fault") but also have the "service" symbol appearing at shutdown. The other errors (again listed below have re-appeared twice in a few days after clearing but are odd as the alternator is putting out between 13.9 and 14.4 volts without issue. Also took a 1,000 mile trip with my wife this past weekend (the same one we tried the week before when the alternator died) and didn't have any problems. Just these damn codes returning. What I am hoping is that someone had dealt with this too and know what to reset to correct. I have INSTA/P and INSTA/D available too, but I'm not an expert in their use. Here are the codes from Carly and were there after the alternator replacement and have re-appeared once: Code Description 2EA0 oelzustandssensor 2EB8 IBS Missing 2EBC Oil Sensor Missing 2EBD BSD-Nachrict vom Generator fehlt 2E97 Generator Any help is greatly appreciated. If this were my E38 I'd disconnect the battery and connect the cables together to reset the entire system. Don't think that would be wise in this circumstance. 
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'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut  '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold) Last edited by 740iS; 11-22-2017 at 02:40 PM. 
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#2
11-24-2017, 09:45 PM
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https://xoutpost.com/bmw-sav-forums/...bs-errors.html
X5 E70 Oil Condition Sensor & more - Bimmerfest - BMW Forums Oil level sensor malfunction 645ci - Bimmerfest - BMW Forums GL report back
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#3
11-24-2017, 11:32 PM
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Try clearing the codes with ignition on but engine off. Then key out, key in, ignition on, engine off check again, if they return try another clear.
Then start engine and check for codes. Yeah, it doesn't make sense but I had codes a while back that didn't want to clear fully with engine on. Bmw electronics is just ehhhh...
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#4
11-25-2017, 05:59 PM
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Got a NEW not rebuilt Valeo alternator and put it in this morning. Started the X5 and while I reset the date and time ALL errors cleared on their own. Cheap rebuilds just don't work.
Took the rebuild back to Autozone and they didn't really want to refund me, but when they went ahead and tested the alternator it failed the communication test! Go figure! LOL
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'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold)
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#5
03-20-2018, 12:43 AM
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Quote:
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#6
03-20-2018, 08:42 PM
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Not rebuild new Valeo alternator. The rebuilt from Autozone was Valeo (name on casting) but the electronics were some rebuilder and were flawed.
Needless to say nearly 4 months later and none of the problems have returned.
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'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut '99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold)
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#7
03-21-2018, 02:49 PM
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Quote:
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