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Discussion Starter #1 (Edited)
My 2008 328I misfires when I get stuck in traffic for more than 10 minutes, it shakes a lot and check engine light on, however after shutting down for more than 5 minutes it reset itself and start to run without misfire the with check engine light on but I feel it loses a bit of power, however about 1 day after the check engine goes away and starts to run perfect, and this has been going on for at least 2 months, it's so annoying, any idea???
 

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How many miles on the car.
Has it had the basics ? New plugs , Coils , Air Fllters?
Have you run code checks.
Shaking is most often related to coils in a 328 doesn't
mean that is what it is but most common.
 

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Discussion Starter #4
the car has 192480km I have changed the plugs and 1 coil but misfire still persist,

Below is the readings

9CF11257012A988100155404245D9F2E0541915DBB220532905DFC2C0325910B
Error: 1(8) Nr: 10904 FFFF Unknown error location frequency: 4
type of error: (1 ) Signal or value above threshold
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (49) fault would give a signal at warning lamp (MIL)
P-Code: Unknown P-Code F_LZ: 36
environment-text / entry at 192480 km(n.) 191960 km(2.) 191736 km(1.)
Engine temperature -15.00 C -22.50 C -13.50 C
Engine speed 96.00 1/min 160.00 1/min 160.00 1/min
Intake air temperature -20.25 C -10.50 C 0.75 C
Voltage Kl.87 14.73 V 14.63 V 14.73 V
___________________________________________________________


___________________________________________________________
9CF11257012A998100155303245DD72A0533915DE21D0224865DFC1D0225891F
Error: 2(8) Nr: 10905 FFFF Unknown error location frequency: 3
type of error: (1 ) Signal or value above threshold
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (49) fault would give a signal at warning lamp (MIL)
P-Code: Unknown P-Code F_LZ: 36
environment-text / entry at 192480 km(n.) 192272 km(2.) 192184 km(1.)
Engine temperature -26.25 C -26.25 C -16.50 C
Engine speed 64.00 1/min 64.00 1/min 160.00 1/min
Intake air temperature -20.25 C -21.00 C -9.75 C
Voltage Kl.87 13.91 V 13.61 V 14.73 V
___________________________________________________________


___________________________________________________________
9CF11257012A8288000012010B5DDC2F0D00A400000000000000000000000062
Error: 3(8) Nr: 10882 FFFF Unknown error location frequency: 1
type of error: (8 ) Implausible signal or value
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (49) fault would give a signal at warning lamp (MIL)
P-Code: P0012 'A' Camshaft Position Timing Over-Retarded (Bank 1) F_LZ: 11
environment-text / entry at 192224 km(1.)
Engine temperature -12.75 C
Engine speed 416.00 1/min
Intake air temperature -48.00 C
Voltage Kl.87 16.66 V
___________________________________________________________


___________________________________________________________
9CF11257012E840400000004255DF32D90028C5DFF1996028F5DFF1994028FA7
Error: 4(8) Nr: 11908 FFFF Unknown error location frequency: 4
type of error: (4 ) No signal or value
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (48) fault caused no signal at warning lamp
P-Code: F_LZ: 37
environment-text / entry at 192504 km(n.) 192504 km(2.) 192408 km(1.)
Engine temperature -29.25 C -29.25 C -14.25 C
Engine speed 4736.00 1/min 4800.00 1/min 4608.00 1/min
Intake air temperature -46.50 C -46.50 C -46.50 C
Voltage Kl.87 14.52 V 14.52 V 14.22 V
___________________________________________________________


___________________________________________________________
9CF11257012E19020013021F255DFE3004008F5DFE2D0400905DFF2C030090EE
Error: 5(8) Nr: 11801 FFFF Unknown error location frequency: 31
type of error: (2 ) Signal or value below threshold
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (48) fault caused no signal at warning lamp
P-Code: P1302 Ignition Monitoring Cylinder 2 Spark Duration Too Short F_LZ: 37
environment-text / entry at 192504 km(n.) 192496 km(2.) 192496 km(1.)
Engine temperature -15.00 C -14.25 C -12.00 C
Engine speed 96.00 1/min 128.00 1/min 128.00 1/min
Intake air temperature -48.00 C -48.00 C -48.00 C
Voltage Kl.87 14.63 V 14.63 V 14.52 V
___________________________________________________________


___________________________________________________________
9CF112570129CE8420030209265DFFD02F11235DFFD35E1D5D5DFFBE541023FD
Error: 6(8) Nr: 10702 FFFF Unknown error location frequency: 9
type of error: (4 ) No signal or value
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (49) fault would give a signal at warning lamp (MIL)
P-Code: P0302 Cylinder 2 Misfire Detected F_LZ: 38
environment-text / entry at 192504 km(n.) 192504 km(2.) 192504 km(1.)
Engine temperature 94.50 C 110.25 C 108.00 C
Engine speed 2688.00 1/min 3008.00 1/min 1504.00 1/min
Intake air temperature -36.00 C -26.25 C -35.25 C
Voltage Kl.87 3.55 V 9.45 V 3.55 V
___________________________________________________________


___________________________________________________________
9CF11257012DEC0204160A02255DFF0A8058005E0400806200000000000000DF
Error: 7(8) Nr: 11756 FFFF Unknown error location frequency: 2
type of error: (2 ) Signal or value below threshold
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (48) fault caused no signal at warning lamp
P-Code: P160A Powermanagement Exhaustive Discharge F_LZ: 37
environment-text / entry at 192544 km(2.) 192504 km(1.)
Engine temperature -48.00 C -40.50 C
Engine speed 4096.00 1/min 4096.00 1/min
Intake air temperature 25.50 C 18.00 C
Voltage Kl.87 0.00 V 0.00 V
___________________________________________________________


___________________________________________________________
9CF112570129D90200031301245DFF4300D108000000000000000000000000AE
Error: 8(8) Nr: 10713 FFFF Unknown error location frequency: 1
type of error: (2 ) Signal or value below threshold
readiness flag: (16 ) Test conditions fulfilled
error-statur: (32 ) current fault not existing, OBD not debounced
MIL - Status: (48) fault caused no signal at warning lamp
P-Code: P0313 Misfire Detected with Low Fuel F_LZ: 36
environment-text / entry at 192504 km(1.)
Engine temperature 2.25 C
Engine speed 0.00 1/min
Intake air temperature 108.75 C
Voltage Kl.87 0.81 V
___________________________________________________________
 

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the car has 192480km I have changed the plugs and 1 coil but misfire still persist, Below is the readings
STOP, WAIT, DO NOT GET ANOTHER SCAN TOOL!!! :rofl:

Please tell us what scan tool or software you are using, and whether it has manual that tells you how to use it (possibly made in China ;-) You have given us a "Chinese Puzzle" for sure. :) You might also tell us WHERE in the world you are so we have some idea if the Coolant & Air temp data in the FF Data ("environment-text") is bogus.

NOTE: if you "decode" the data you have provided you will see that it DOES provide the BMW FC (BMW Fault Code) for EACH of the EIGHT (8) faults.

The BMW FC is found in characters 11-14 of the code string, first line for each Fault, just above the line that provides the Fault Number (NOT code). You will note that the first 10 characters are the SAME for each of the 8 code strings: "9CF1125701". Perhaps some or all of that group of 10 characters identifies the DME or Control Module whose memory is being read (checking codes in a different module might answer that question).

For instance, Error 3 (3rd fault listed) is P0012 which has the equivalent BMW FC of 2A82. If you read characters 11-14 of the code string in 1st line for that Error 3, you see "2A82".

Anyway, you have 8 different codes, and whatever scan tool that is, it is giving you basically the SAME information you would obtain via INPA, including whether the code is currently present, whether it would set a warning light, the P-code (for 5 of the 8), the BMW FC (characters 11-14 as above) and Freeze Frame Data or snapshot of engine conditions at the moment the Fault Code was saved: RPM, Coolant Temp, Intake Air Temp, Terminal 87 (Kl.87) Voltage (Ignition ON relay output), and mileage (in km).

I wonder if the FF data is accurate, particularly the Kl.87 Voltage. If it is, you appear to have a significant electrical issue as that Voltage jumps all over the map, including such strange values as 0V with engine running at 4096 RPM (on two different occasions, 192504 & 192544 km). That is Error 7. It should be noted that a BSD communication fault at the Coolant Pump (2E84) occurred at the same mileage (192504) as that voltage fault.

There is a LOT more information that can be obtained by proper evaluation of the 8 Error Readouts you have already provided, and I will analyze further and post more. For instance, the Coolant Temp & Air Temp data don't match up, or don't synch with the RPM. It may well be that we have ALL the information INPA could provide, it's just "encyrpted" or NOT presented in a way we are used to seeing. My initial take is that either the scan tool is NOT giving accurate readings of the data saved in the DME, OR MORE LIKELY, there is some electrical or electronic issue related to the DME, particularly the Power Management System, that is causing electronic "hiccups" (Electronics Engineer Technical Definition) :rofl:

For now, be aware that the three codes for which no P-code or Code Definition was listed are as follows (first two per Bentley Definitions & last per BMW SIB):

P1553 | 2A99 | Engine Position System 'B' Performance (Bank 1)
P1554 | 2A98 | Engine Position System 'A' Performance (Bank 1)
FC 2E84 Electric coolant pump, communication

BTW, next time you start the vehicle, I would suggest selecting "Hidden Menu 9.00" which displays system voltage on your instrument cluster, and monitoring that while you drive. You may find that voltage is out of range (should be 13.5V to 14.8V with engine running).
http://e90.wikifoundry.com/page/BC+hidden+menus

You might also check the drain beside the E-box to make sure it is open, and check inside the E-box to make sure the DME is dry. Distinct possibility of an intermittent electronic issue due to wiring or connector fault, or something periodically affecting DME function. Is there any correlation between precipitation or ambient moisture & intermittent fault? Is there any correlation with engine temp or time engine has run when fault occurs (you mention stopped in traffic for >10 minutes)?

George
 

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Discussion Starter #7
Thank you very much for taking the time and explain your thoughts about the issue I have with my car, indeed when the problem is intermittent it's more difficult to pinpoint a specific hardware, however stopping in traffic means more heat in the hood and the heat might generate electrical connection problem I think, I'll check all the connectors and will spray some deoxit cleaner on them,
Yes the scanner tool is a made in china inpa scanner from Amazon, good luck with the installation :(
some scripts are not running properly and you better speak German to understand :(
, to me it looks like partially compiled program
Thanks
 

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...Yes the scanner tool is a made in china inpa scanner from Amazon
I was NOT meaning to suggest Chinese products can't be good. This is sent from my Lenovo laptop now >7 years old and flawless. I WAS poking fun at their English translations, but they are better than MY Chinese translation. :rofl:

Because I've just been using INPA for ~ one year (on my Lenovo Laptop ;-) I'm intrigued by software capability, so I've spent some time trying to analyze YOUR data. All eight (8) Fault codes are clear, and appear consistent with each other.

What is NOT consistent is the Freeze Frame Data, such as -54F Coolant Temp; 108C Intake Air Temp signal when Coolant is 2C. What HAS been documented on the forums however is the fact that voltage spikes can do STRANGE things to electronic modules, causing strange warning lights on the instrument cluster, Wipers running when NOT activated, etc. (had any of those?) and generally disrupting normal DME operation. Please let us know where the car was located when the Fault Events occurred (particularly at 192504km on the odometer) so we can get an idea whether the FF Data is BOGUS or not:)

So I "EDITED" your data, to enter correct BMW FC's (as per characters 11-14 in first code line). Then I added my comments in brackets [xxx], and emphasized some of the info about the frequency of the fault (31 short spark duration events on cyl. #2), Whether the fault currently exists or NOT, and whether the fault would light a warning lamp (or NOT).

In summary, some of the values in FF Data are clearly BOGUS. However, it would probably be more realistic to attribute those bogus values to Overvoltage or Low voltage events that disrupted proper DME function or corrupted Parameters or Values read & saved in FF (Freeze Frame) Data. If you have a different Scan Tool of any kind, even a generic P-code reader that can also read FF Data, you might confirm that your INPA tool is working properly. My guess is that it IS working properly and the saved data is corrupt/Bogus due to Voltage issues. Whatever happened at 192504 km seems to be the WORST event, as on that occasion the following occurred: Fault #4 Twice, Fault #5, Fault #6 at least 3 (possibly 9) times, Fault #7, and Fault #8. At that mileage/km (192504), Fault #6 shows Kl.87 considerably low on at least 3 of the 9 occasions, Fault #7 shows 0.00 Volts on one occasion, and Fault #8 shows 0.81V -- again ALL at 192504 km.

So checking alternator voltage output with Hidden Menu 9.00 would be my first step. I would also make sure ALL codes & FF Data have been recorded (you can do screenprint & save as jpg if using laptop) and then CLEAR all codes, and drive the vehicle while monitoring Hidden Menu 9.00 (System Voltage). If you see ANY warning lights, or have ANY performance/ operation issues, note the mileage at the time of event, and check codes & FF Data ASAP.

Here's the "Edited Version" of 8 Faults, for comments by you/others [LOOONG & Detailed]:

2A98 Engine Position System 'A' Performance (Bank 1)
Error: 1(8) Nr: 10904 FFFF Unknown error location frequency: 4
type of error: (1 ) Signal or value above threshold [square wave signal?]
Fault NOT currently existing
MIL - Status: (49) fault would give a signal at warning lamp (MIL)
P-Code: Unknown P-Code [should be P1554]
environment-text / entry at 192480 km(n.) 191960 km(2.) 191736 km(1.)
Engine temperature -15.00 C -22.50 C -13.50 C [Cold Start?]
Engine speed 96.00 1/min 160.00 1/min 160.00 1/min [Starter Cranking?]
Intake air temperature -20.25 C -10.50 C 0.75 C
Voltage Kl.87 14.73 V 14.63 V 14.73 V [seems high for Start RPM ~ 160]
__________________________________________________ _________

2A99 Engine Position System 'B' Performance (Bank 1)
Error: 2(8) Nr: 10905 FFFF Unknown error location frequency: 3
type of error: (1 ) Signal or value above threshold [square wave signal?]
Fault NOT currently existing
MIL - Status: (49) fault would give a signal at warning lamp (MIL)
P-Code: Unknown P-Code [should be P1553]
environment-text / entry at 192480 km(n.) 192272 km(2.) 192184 km(1.)
Engine temperature -26.25 C -26.25 C -16.50 C [cold start]
Engine speed 64.00 1/min 64.00 1/min 160.00 1/min [starter cranking]
Intake air temperature -20.25 C -21.00 C -9.75 C
Voltage Kl.87 13.91 V 13.61 V 14.73 V [high for starter cranking?]
__________________________________________________ _________

2A82 'A' Camshaft Position Timing Over-Retarded (Bank 1)
Error: 3(8) Nr: 10882 FFFF Unknown error location frequency: 1
type of error: (8 ) Implausible signal or value [square wave signal?]
Fault NOT currently existing
MIL - Status: (49) fault would give a signal at warning lamp (MIL)
P-Code: P0012 'A' Camshaft Position Timing Over-Retarded (Bank 1)
environment-text / entry at 192224 km(1.)
Engine temperature -12.75 C
Engine speed 416.00 1/min [Just firing on cold start? (416 RPM)]
Intake air temperature -48.00 C [THAT***8217;S COLD, cf. Coolant Temp]
Voltage Kl.87 16.66 V [OVERVOLTAGE!! can damage Control Modules]
__________________________________________________ _________

2E84 Electric coolant pump, communication
Error: 4(8) Nr: 11908 FFFF Unknown error location frequency: 4
type of error: (4 ) No signal or value [Communication via BSD from DME?]
Fault NOT currently existing
MIL - Status: (48) fault caused NO signal at warning lamp
P-Code: F_LZ: 37 [No equivalent P-code known]
environment-text / entry at 192504 km(n.) 192504 km(2.) 192408 km(1.)
Engine temperature -29.25 C -29.25 C -14.25 C [Low coolant temp for 4800 RPM]
Engine speed 4736.00 1/min 4800.00 1/min 4608.00 1/min [See Above]
Intake air temperature -46.50 C -46.50 C -46.50 C [THAT***8217;S COLD!]
Voltage Kl.87 14.52 V 14.52 V 14.22 V
__________________________________________________ _________

2E19 Ignition Monitoring Cylinder 2 Spark Duration Too Short [HOW sensed/computed?]
Error: 5(8) Nr: 11801 FFFF Unknown error location frequency: 31
type of error: (2 ) Signal or value below threshold
Fault NOT currently existing
MIL - Status: (48) fault caused NO signal at warning lamp
P-Code: P1302 Ignition Monitoring Cylinder 2 Spark Duration Too Short
environment-text / entry at 192504 km(n.) 192496 km(2.) 192496 km(1.)
Engine temperature -15.00 C -14.25 C -12.00 C [cold start]
Engine speed 96.00 1/min 128.00 1/min 128.00 1/min [starter cranking]
Intake air temperature -48.00 C -48.00 C -48.00 C [THAT***8217;S COLD!]
Voltage Kl.87 14.63 V 14.63 V 14.52 V [high voltage for starter cranking?]
__________________________________________________ _________

29CE Cylinder 2 Misfire Detected
Error: 6(8) Nr: 10702 FFFF Unknown error location frequency: 9
type of error: (4 ) No signal or value [anyone explain ***8220;no signal/value***8221;?]
Fault NOT currently existing
MIL - Status: (49) fault WOULD give a signal at warning lamp (MIL)
P-Code: P0302 Cylinder 2 Misfire Detected
environment-text / entry at 192504 km(n.) 192504 km(2.) 192504 km(1.)
Engine temperature 94.50 C 110.25 C 108.00 C [normal warm temp]
Engine speed 2688.00 1/min 3008.00 1/min 1504.00 1/min [mid-range]
Intake air temperature -36.00 C -26.25 C -35.25 C [COLD]
Voltage Kl.87 3.55 V 9.45 V 3.55 V [WAAAY LOW!]
__________________________________________________ _________

2DEC Powermanagement Exhaustive Discharge
Error: 7(8) Nr: 11756 FFFF Unknown error location frequency: 2
type of error: (2 ) Signal or value below threshold [0.00 Volts ***8211; juuuusst a little low]
Fault NOT currently existing
MIL - Status: (48) fault caused NO signal at warning lamp
P-Code: P160A Powermanagement Exhaustive Discharge
environment-text / entry at 192544 km(2.) 192504 km(1.)
Engine temperature -48.00 C -40.50 C [Seriously??? -54F?]
Engine speed 4096.00 1/min 4096.00 1/min [WHY Exactly same RPM for 2 different events?]
Intake air temperature 25.50 C 18.00 C [Implausible w/ ECTS value above]
Voltage Kl.87 0.00 V 0.00 V [NADA, ZILCH, ZIP!! ***8211; major electrical event, TWICE!]
__________________________________________________ _________

29D9 Misfire Detected with Low Fuel
Error: 8(8) Nr: 10713 FFFF Unknown error location frequency: 1
type of error: (2 ) Signal or value below threshold [fuel level or spark duration?]
Fault NOT currently existing
MIL - Status: (48) fault caused NO signal at warning lamp
P-Code: P0313 Misfire Detected with Low Fuel
environment-text / entry at 192504 km(1.)
Engine temperature 2.25 C [Compare to IAT below]
Engine speed 0.00 1/min [Engine OFF]
Intake air temperature 108.75 C [IAT 106.5 MORE than CTS ***8211; NO WAY!]
Voltage Kl.87 0.81 V [Next to NADA]

Thoughts Anyone?
George
 

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Discussion Starter #9
Sorry for the delayed reply, since the car runs ok because I avoid trafic somehow :) and thank you so much for the analyzing the data, I am from Montreal, Canada and lately it has been super cold here, I have this car for 3 months ant it looks like hunted, I have some degree of electronic knowledge but I dont take time to signalizing it, indeed these data looks bogus and I am suspecting the car have some electrical problems that I need to troubleshoot, however I am tend to think BMW's have lot's of ground problems and high current may cause spark which can lead to high voltage to cook the circuits, I will install some additional ground cables from chassis to engine and check if corrosion builds up, and definitely I will check the voltage,
Thanks
 
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