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01-29-2014, 09:38 PM | #89 | |
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The battery voltage affects the computer's condition and all electrical components at start up. Trust me a battery can last longer but it's not unheard of for a one to loose its edge in 3.5 years. Do you have any places that can check it for you? Not sure but you may need to clear the trouble codes to get out of limp mode.
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Last edited by teagueAMX; 01-29-2014 at 09:47 PM.. |
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01-30-2014, 11:05 AM | #90 |
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Get a multitester and check the battery. You should be getting 14 volts
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01-30-2014, 11:28 AM | #91 |
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Another possibility, as others have said much earlier, is that the injectors truly are failing and need replacement. It is a known problem spot with the N54 engine after all....
You really need to get a reader or borrow one to look at the codes and assess the situation. Guessing while the car is in limp mode isn't something I would personally do.... |
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01-30-2014, 02:11 PM | #92 |
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01-30-2014, 02:50 PM | #93 | |
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http://www.e90post.com/forums/showthread.php?t=382908 Apparently it can show voltage. No personal experience |
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01-30-2014, 04:32 PM | #94 | |
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02-06-2014, 02:26 AM | #95 |
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The Chinese have a saying...
..."if the problem can be solved with money, then it's not really a problem."
After successfully delaying for a few months, the fuel injectors finally conked when I recently went into limp mode several times, thereby forcing me to bite the bullet. Had to replace all 6 injectors/coil, sparkplugs and even the HPFP went faulty (luckily the HPFP was covered under some type of extended warranty, even though my original warranty ended). Well, at least the car is running fine now. No more nervousness about it going into limp mode and stalling. Felt so emasculated w/o the car running 100% lol. Last edited by tranquility; 02-07-2014 at 05:35 PM.. |
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02-09-2014, 11:31 PM | #96 |
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I just realized that the small CEL was probably due to the fuel injectors but the big CEL (1/2 engine light), which was a recent occurrence, was probably due to the dreaded HPFP, hence my car going into limp mode. Considering that I have a 2011, that's disconcerting...didn't they fix it already by then?
In hindsight, those addictives did their job for the injectors but obviously if the pump dies, there's nothing that can be done. Also wondering for those that had their coils/injectors/HPFP replaced if they have gone trouble-free or any returning prbs? Or too soon to tell? Thx. |
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02-10-2014, 04:03 AM | #97 |
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Apropos China...
http://www.chinasmack.com/2014/stori...nal-limit.html talk about killing injectors... |
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02-10-2014, 11:58 AM | #99 | |
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03-11-2014, 02:42 PM | #101 |
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I'm not sure the new ones should be worth anything. Just had mine done last fall before I parked it for the winter. Bmw told me that an engine seal leaked and the oil made the injectors fail. Sounded like BS but they replaced them under the CPO warranty. They did however charge me 7 hours to replace the seal. I hope this isn't a sign of what's to come. I really like my Z, but if issues like this continue, I will move on to a non-bmw before my warranty is up next year
Last edited by Gpwheels; 03-11-2014 at 02:49 PM.. |
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03-11-2014, 03:03 PM | #102 | |
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OP, glad to hear the problem is resolved. |
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03-11-2014, 03:58 PM | #103 | |
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03-11-2014, 05:01 PM | #104 |
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