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E90 N46 Valvetronic
20-07-2018, 21:57 PM,
Post: #11
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RE: E90 N46 Valvetronic
I will repeat myself, but it is really important - replace or clean the relay contacts and check again
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20-07-2018, 23:47 PM,
(This post was last modified: 20-07-2018, 23:48 PM by bmwlover.)
Post: #12
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RE: E90 N46 Valvetronic
Why is not worth to spend money? You need new servomotor. Not used, must be new. Replace with new servomotor and recalibrate it.
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22-07-2018, 13:36 PM,
(This post was last modified: 22-07-2018, 13:38 PM by bmwcare.)
Post: #13
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RE: E90 N46 Valvetronic
(20-07-2018, 21:57 PM)grzesiek2304 Wrote: I will repeat myself, but it is really important - replace or clean the relay contacts and check againI will repeat myself also. Relay has been tested completely. Power supply has been tested completely. Load testing of power supply has been performed to 20A and it's perfect. (20-07-2018, 23:47 PM)bmwlover Wrote: Why is not worth to spend money? You need new servomotor. Not used, must be new. Replace with new servomotor and recalibrate it. It is not worth spending the money on a new DME. The Servomotor has been replaced with new Siemens VDO item already. However, it cannot calibrate because the DME can not drive it. |
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24-07-2018, 06:42 AM,
Post: #14
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RE: E90 N46 Valvetronic
How about a used DME then you clone the current DME? But you would need an ECU programmer for that
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29-07-2018, 20:49 PM,
Post: #15
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RE: E90 N46 Valvetronic
(04-07-2018, 11:02 AM)bmwcare Wrote: Hello,Have u solved the problem? I dont have pictures but i know it can be repaired. |
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30-07-2018, 04:08 AM,
Post: #16
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RE: E90 N46 Valvetronic
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30-07-2018, 04:41 AM,
Post: #17
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RE: E90 N46 Valvetronic
I also had this error with a N46 couldn't perform adaption. Everything point to the dme but I didn't believe that.
After replacing the battery with a new one I could perform adaption. MGU virgin and patching in Europa.
Secure coding 2.0 Feature installer codes |
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30-07-2018, 05:28 AM,
Post: #18
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RE: E90 N46 Valvetronic
Are you sure the valvetronic eccentric shaft is not seized? Or to tight for the motor to move it? That is the most common problem I see with these engines.If you unbolt the motor from the cylinder head and attempt to learn the end stops does the motor now spin? Dme turns off power supply to the motor when the faults are stored.
Hope that helps you. |
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30-07-2018, 12:13 PM,
(This post was last modified: 30-07-2018, 12:18 PM by bmwcare.)
Post: #19
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RE: E90 N46 Valvetronic
(29-07-2018, 20:49 PM)MCube Wrote:(04-07-2018, 11:02 AM)bmwcare Wrote: Hello,Have u solved the problem? I dont have pictures but i know it can be repaired. Not solved yet. I don't know what to do with DME. (30-07-2018, 04:08 AM)djdum Wrote:As I have said already this is not the problem.(22-07-2018, 13:36 PM)bmwcare Wrote: The Servomotor has been replaced with new Siemens VDO item already. (30-07-2018, 04:41 AM)Fx82 Wrote: I also had this error with a N46 couldn't perform adaption. Everything point to the dme but I didn't believe that. It is not this either. The DME won't drive the motor at all. (30-07-2018, 05:28 AM)tonemoz Wrote: Are you sure the valvetronic eccentric shaft is not seized? Or to tight for the motor to move it? That is the most common problem I see with these engines.If you unbolt the motor from the cylinder head and attempt to learn the end stops does the motor now spin? Dme turns off power supply to the motor when the faults are stored.I'm certain the shaft is not seized. It was obviously free when I was fitting the motor. There are no faults stored that would cause the DME to turn off the motor. The fault relates to the DME 'knowing' it can't drive the motor. THIS IS A DME FAULT. I'm asking how to fix the DME. |
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