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E91 Diagnose interpretation help need
25-05-2015, 19:47 PM,
Post: #1
E91 Diagnose interpretation help need
Hello guys bow
I'm talking about an E91 2.0d N47N ECE L N Touring 135KW
Last week I change oil and all filters without diesel filter.That time owner complain that at somewhere 120km/h and he stay there,check engine led blink for one or two second,but after that speed nothing happen.Same time he say that he not feel nothing abnormally,in engine operating.I diagnose with Rheingold 3.48.30 and K+D-CAN cable,and two errors pop up(picture).Then I delete errors and running little on road and diagnose again , no more errors.In the meantime,client have made a long trip,and again he claim about same problem.Today I change diesel filter too,and diagnosing again the car, same errors came out.Please someone with more experience with BMW cars , give me some advices,where from to begin my search or what should I check.Especially about that error towards to DPF filter
Thanks in advance beer


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25-05-2015, 21:00 PM,
Post: #2
RE: E91 Diagnose interpretation help need
Hi coriducu
checked engine oil level and make 60-100km again check engine oil level if have more oil your problem is DPF

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[+] 4 users say Thank You to asto for this post
26-05-2015, 06:51 AM,
Post: #3
RE: E91 Diagnose interpretation help need
Mate, first of all check water temperature if is >80degree! If is not your dpf will not regenerate because this is one critical condition to this process.
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27-05-2015, 03:23 AM,
Post: #4
RE: E91 Diagnose interpretation help need
Water temp. was first thing I checked,is good
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30-05-2015, 10:12 AM,
Post: #5
RE: E91 Diagnose interpretation help need
Info particulate system is not a fault code, it is information that you must exchange DPF filter in less then 50000km (use service funtion replace dpf and click read out remaining distance dpf and you can see calculatin)
Next fault codes means that you have problem at turbo charger actuator (electric motor on turbo), or variabile turbin cant moves.

br
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[+] 2 users say Thank You to kuks for this post
30-05-2015, 19:02 PM,
Post: #6
RE: E91 Diagnose interpretation help need
(30-05-2015, 10:12 AM)kuks Wrote:  Info particulate system is not a fault code, it is information that you must exchange DPF filter in less then 50000km (use service funtion replace dpf and click read out remaining distance dpf and you can see calculatin)
Next fault codes means that you have problem at turbo charger actuator (electric motor on turbo), or variabile turbin cant moves.

br

seem to be first eligible answer handshake,just an question again: this "must" cannot be fixed by a forced regeneration?
by other side cannot understand how turbocharger can have problem(no matter what) any time no any bad working symptom wen driving car,just check pop up lighting for 1 or 2 seconds , at aprox. 120km/h and even you stay there or drive with more speed,check is of , and nothing palpable jealous
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31-05-2015, 07:47 AM,
Post: #7
RE: E91 Diagnose interpretation help need
No info DPF is not a fault code, this is just information to inform customer to prepare money for dpf smile
If you chose service function replace DPF the fault code will dissapears.
For turbo, put down electric actuator and check if rod on turbin for flaps is moving free, if it is replace actuator.

br
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