Unlock and TEST your BMW E46 3 Series OBC Hidden Functions DIY
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- čas přidán 25. 08. 2024
- Follow me as I check my Battery Voltage to see if I need a new battery or alternator.
Instructions to access the hidden OBC functions:
1. Hold Trip Reset while turning ignition key to on position
2. OBC should show "Test"
3. Use Trip Reset to select function 19.0 that unlocks all the features
3. Wait for display to show "Off"
4. Depress Trip Reset for 1/4 second and release it
5. With no delay press Trip Reset several times to select one of the following function s
BMW E46 On-Board Computer (OBC) Hidden Codes
- example description
1 - Car Engine and cluster data
1.0 - 46nnn Chassis nr/VIN serial number (last 5 digits)
1.1 - 4nnn K-number
1.2 - 690236 Cluster Part #
1.3 - 045210 Coding (04)/diagnosis (52)/bus index (10)
1.4 - 1200 Week (12)/year of manufacture (2000)
1.5 - 09_160 Hardware (09) and software # (16.0) of cluster
1.6 - Not used
1.7 - 04__44 CAN-version (04) KI-revision index (44)
2 - (test) Cluster System Test - Activates the gauge drivers,
indicators and LEDs to confirm function
3 - SI Data
3.0 - 1098 Used fuel in liters since last SI (Service Inspection)
3.1 - 0231 Periodic inspection days; elapsed days (since last SI)
4 - Momentary Consumption
4.0 - 0145+ Instant fuel consumption - 0145=14.5 liters/100km
4.1 - 0018 Instant fuel consumption - 0018=1.8 l/Hour
5 - Distance Gone Consumption
5.0 - 082 Average mileage; 082=8.2 liters/100km
5.1 - 0536 Calc. km to refuel (momentary distance to go)
6 - Fuel Level sensor inputs in liters
6.0 - 109330+ Fuel level averaged; Left half sensor input=10.9 liters; Right sensor input=33.0 liters
6.1 - 0439+ Total tank level averaged; vlgs 6.0: 10.9+33.0=43.9 liters
6.2 - 0442+ Indicated value (44.2) and tank phase
7 - Temperature and Speed
7.0 - 021+ Coolant/Engine temperature (2.1C)
7.1 - 130 Ambient/Outside temperature - chg met 5 pts. 125/130/135
7.2 - + Engine speed / Current RPMs 1/min
7.3 - + Vehicle speed / Current Speed in km/hour
8 - Input value in HEX form
8.0 - 1d0+ System voltage ADC-Value Hex code
8.1 - 26C33C+ ADC Values HG left/HG right
8.2 - 0000 ADC Value brake degradation sensor (000=o.k.)
8.3 - 18C ADC Value outside temperature
9 - Battery
9.0 - 140 Battery Voltage - 140 = UB 14.0v
9.1 - 242013+?
9.2 - 074_78+?
9.3 0011+?
10 - Not used
11 - Not used
12 - Not used
13 - Gong Test
14 - Not used
15 - Status cluster I/O-ports (bit codes) 0=low; 1=high
1st-belt contact, seat belt fastened=0; 2) ignition lock contact, key inserted=0; 3) door contact, door open=0; 4) clock button pressed=0; 5) SI reset=0, for reset=0; 6) EGS transmission failure=0
Status Digital Outputs (bits) 0=inactive, 1=active
1) Gong output; 2) Brake warning lamp; 3) Low fuel warning lamp; 4) EGA lamp; 5) seat belt lamp; 6) manipulation dot
16 - Not used
17 - Not used
18 - Not used
19 - Lock Status; unlocks functions in range 3-18
19.0 - L-On/L-Off Unlock: press button when "L-Off"
20 - Not used
21 - Software Reset; reset OBC settings
00 - End of test
Thank you for uploading this video. you saved me from buying NEW BATTERY WHICH i DIDNT NEED THANKS TO YOU. YOU'RE THE MAN.
Hey friend. Check out the Z3 lighted shifter DIY on bimmerforums. The add a manual shifter from a Z3 with the lighted icons to show the gear that are on the shifter as you shift it. It may also be called the LED shifter or lighted indicator shifter for manual e46 cars. Easy to install and wire.
The older E36 and I believe all OBD1 BMWs had a similar test where you could use the odometer cluster to pull fault codes from the car. Here you can only pull basic 'current' info and not fault codes.
Mainly this test is used to check engine temp and voltage.
If the battery shows 14 volts dc its ok. The best way to really check the voltages is by using a digiatal volt meter and probe to + and - and whilst on or off and that will give you a better idea of the voltages of the battery. If the battery is new, get one according to specs of your car or higher.
Did a test today (conf w/ volt meter). Off ~12.1 / Start ~10.0 / On w/ radio, lights, vents on full ~13.8 / On @ 2,000 rpm ~14.1. Battery Manf. date: May 2008. Replace with H7, 94R, LN4, or G-48.
What it means is that your alternator is charging the battery when the voltage goes up. It does not show whether your battery is bad. If you run your car at night with full lights on , aircon and radio and in the morning it won't crank or has a hard time trying to crank, have your battery replaced.
Hey glad you're back up and running at least. Get those new belts and tensioner pulley installed soon, my friend.
FYI, to RUN the cluster light and dials test, you did everything right, but you needed to hit that mileage button one more time to Active the testing.
Olaf2046, you're the man, I have watched few of your videos and they helped me a great deal. on behalf of lot of viewers who benefit from your inputs, we thank you sir.
Keep on keeping on. viewers numbers speak for themselves. you rock,
Glad you are alright.
Hey Ana,
Yes you can. Either the Service Engine Soon light turns off on it's own after you drive the car for a bit or you can get a PA Soft BMW Scanner (about $30 - $50) to reset it yourself. I will actually make a video this week on how to reset the lamp with the PA Soft Scanner.
@Olaf2046 Thanks for posting - Here is a complete list of tests available
1 Car Engine and cluster data
1.0 46nnn Chassis nr/VIN serial number (last 5 digits)
1.1 4nnn K-number
1.2 690236 Cluster Part #
1.3 045210 Coding (04)/diagnosis (52)/bus index (10)
1.4 1200 Week (12)/year of manufacture (2000)
1.5 09_160 Hardware (09) and software # (16.0) of cluster
1.6 Not used
1.7 04__44 CAN-version (04) KI-revision index (44)
2 (test) Cluster System Test - Activates the gauge drivers,
indicators and LEDs to confirm function
3 SI Data
3.0 1098 Used fuel in liters since last SI (Service Inspection)
3.1 0231 Periodic inspection days; elapsed days (since last SI)
4 Momentary Consumption
4.0 0145+ Instant fuel consumption - 0145=14.5 liters/100km
4.1 0018 Instant fuel consumption - 0018=1.8 l/Hour
5 Distance Gone Consumption
5.0 082 Average mileage; 082=8.2 liters/100km
5.1 0536 Calc. km to refuel (momentary distance to go)
6 Fuel Level sensor inputs in liters
6.0 109330+ Fuel level averaged; Left half sensor input=10.9 liters; Right sensor input=33.0 liters
6.1 0439+ Total tank level averaged; vlgs 6.0: 10.9+33.0=43.9 liters
6.2 0442+ Indicated value (44.2) and tank phase
7 Temperature and Speed
7.0 021+ Coolant/Engine temperature (2.1C)
7.1 130 Ambient/Outside temperature - chg met 5 pts. 125/130/135
7.2 + Engine speed / Current RPMs 1/min
7.3 + Vehicle speed / Current Speed in km/hour
8 Input value in HEX form
8.0 1d0+ System voltage ADC-Value Hex code
8.1 26C33C+ ADC Values HG left/HG right
8.2 0000 ADC Value brake degradation sensor (000=o.k.)
8.3 18C ADC Value outside temperature
9 Battery
9.0 140 Battery Voltage - 140 = UB 14.0v
9.1 242013+?
9.2 074_78+?
9.3 0011+?
10 Not used
11 Not used
12 Not used
13 GonG Gong Test
14 Not used
15 Status cluster I/O-ports (bit codes) 0=low; 1=high
1st-belt contact, seat belt fastened=0; 2) ignition lock contact, key inserted=0; 3) door contact, door open=0; 4) clock button pressed=0; 5) SI reset=0, for reset=0; 6) EGS transmission failure=0
Status Digital Outputs (bits) 0=inactive, 1=active
1) Gong output; 2) Brake warning lamp; 3) Low fuel warning lamp; 4) EGA lamp; 5) seat belt lamp; 6) manipulation dot
16 Not used
17 Not used
18 Not used
19 Lock Status; unlocks functions in range 3-18
19.0 L-On/L-Off Unlock: press button when "L-Off"
20 Not used
21 Software Reset; reset OBC settings
00 End of test
+4272005 At least tell people how to access it, you need to go to 19 wait until it says off then press trip reset. Then right away press the trip reset 7 times and access the above.
+4272005 At least tell people how to access it, you need to go to 19 wait until it says off then press trip reset. Then right away press the trip reset 7 times and access the above.
+Gunzee ok
+Gunzee Thank you for repeating what is already in Olaf's video, r sole
Any info will help. I have a 02 325xi and few months ago It thru lights on. The Abs, Break, Traction Control and the Eml all at the same time it loses power I have to pull over shut it off turn it back on and it's fine. What would cause this?
@63B1stmaint if your immobiliser is not allowing car to start it's either your key's transponder (little chip inside of the key) or your car's ecu (Engine control unit) what basically is a main car's computer. You should plug in your car to diagnostic tools via obd2 and do the readings. Your key's transponder need programming or ecu has to be reset or if worse comes to worst you will need new ecu. When you buy ecu like second hand one you have to buy it with car keys as it's matched with ecu
Good vid but. If you have koeo the voltage reading is the state of charge.
If you have koer then the reading is the state of the charging system. The voltage regulator decides the amount of charge vs. The demands for power. A 12v battery fully charged is 12.6 volts. 2.1 volts dc per cell. Charging systems run from 13.5 to 14.5 vdc.
@bmw4ever55 That is the OBDII connector that you would get to code the cabrio to do that. It is under the convenience features. See my other video showing the convenience coding I did in my car. The device you need to buy is the BMW Scanner PA Soft 1.4 ($40 and up on eBay) which comes with software and the cable to connect your laptop to the car. Takes a minute to do.
@TheSushfiend - The point of this video is 'how' to access the hidden functions! Hence the title 'unlock and test'! Once you access your data the interpretations are entirely up to you! I'm not running a BMW School over at my house and could not possible care anymore beyond what I'm presenting in my video here. Sorry to disappoint but it is what it is! Smart people tend to come here use my video to learn how to access the functions and then use GOOGLE SEARCH to sort the rest out themselves!
If you're above 12.0 volts, you're charging the battery. If you are reading 13 to 14.6 you're healthy and you won't see it at over 14 unless you have taken a toll on your battery. You're fine, and better off being concerned about something that really matters like learning ohm's law.
that is what the alternator is giving out. a little low. when you turn the engine off thats what charge the battery is holding, again alittle low and will only let you down when the winter comes and it freezes
Keep trying. It is real sensitive to your pressing pressure. Make sure you are accurate.
14.5 is normal at 2000rpm. That's the voltage coming off the alternator, so lower rpm =lower output voltage.
@criscblue11 I think the battery and alt is the same code.
@dondipa nope. I bought it from the original owner in 2008 (a 70 year old retired surgeon) out in Long Island. He did nothing to the car other than basic maintanence. The thing was brand spanking new when I got. In the 2-3 years of me owning the car I put more miles and dents on it than the 6-7 years the first owner had it. sad but true. But the car has gotten some nice OEM upgrades under my care.
very helpfull video really is.. thanks for upload man.. you are a star.....
i got a question bro... do you know where is the alternator wire in bmw 320d 3 series? that is coming to battery? is it also passing through trunk by any chance?
actually i am installing secondry battery and a split charging replay switch. i am looking for a 12v ignition wire. which only powers when we twist/cycle the key twice. not once.
by any chance is that wire somewhere in trunk too?
please help.
many thanks.
@onlocash I found it using google or at the e46fantics forums.
You can unplug the car battery and it will go back to zero or you can just push in the little stalk there to reset it,
@whatthehallbetch
yeah it's pretty cool. Sorry for snapping at you. The E46 is a really good DIY friendly car unlike the newer BMWs which are all electronic and dealership needy cars for everything that goes wrong.
I saw you did your Water Pump. How was it? I need to do mine next spring when the weather warms up.
Cheers.
@goldBCFC Not sure ifyou are referring to me but I'm not Asian or East Indian. Also there is nothing wrong with my odometer or mileage. My car had geniunely low mileage when I bought it. BMW's have the tamper dot that only the dealership (or someone with BMW software and hardware) can remove if the odometer has been tampered with.
Also I never claim in any of my videos to be a mechanic or car expert. Other than this BMW and the 2010 C300 my girlfriend has I claim no knowledge of other cars.
@olaf2046 well, i was wondering what the point was, i just didnt realize that you could check your fluid levels and have it as a rev counter and other handy features
@JCruzify1 hold down the button down for a few secondsafter you turn the key like I am doing.
the test or show various information that the odometer's computer is reading and storing regarding the engine and car's electrical system.
@63B1stmaint you can't! As long as you have a key and it is your car then your BMW E46 should not have any immobilizer to stop you from starting your car at anytime. So unless you broke the window and are trying to start the car with a coat hanger you should not have to worry about any immobilizer. If your car isn't starting with the key chances are it is some other issue and not the original factory BMW Alarm.
Mines showing the same as this ....battery sounds weak and it's only 3 months old....also had the alternator checked and thats fine .
@olaf2046 hey, its all good. no harm no foul. the water pump in my mustang was pretty quick and easy if you do it right the first time. looking at the E46 i drive as well, that might be a little bit more labour intensive considering all the stuff you have to take off. and yeah, E90's are notorious for maintenance user unfriendliness, which is why an E46 would be the newest 3 series i'd buy. but im a sucker for E39 M3's
@kadett1989
sounds like battery. what happens is the alarm either drains the battery or the oem alarm acts up as a way of letting you know when the car is off the battery is not sufficient on its own to power the alarm.
I don't think a second battery would work on the E46. Because the car uses a Bus system that is 'pre-adjusted' to be used off one battery. If anything they only place to put in a second battery would be in the hood area in the cavity behind the positive terminal. Most secondary battery installations are usually INDEPENDENT of the original battery and are used to power stereo or accessory equipment. But I have never heard of one working on a BMW newer than 1999.
@bmw4ever55 I added the OBC menu list to the video description. Just click the "show more". I swore I had it there before (scratching my head).
and it was 9.0 to test the battery.
9.0 - 140 Battery Voltage - 140 = UB 14.0v
@ Mike Kilogan, It must be accurate.... that info must come from the ecu obd2 diagnostics!
BMW 316i has cold start, you have to start it 3 to 4 times before it finally start. the battery and starter are fine. What is the problem.
thanks for the video. i used it to check my battery tonight (after it wouldn't start... had the stereo on for a few hours over the weekend while i was detailing the inside of the car - can't believe this would have killed it, esp. since i actually drove it back into the garage) - anyway, my number is 108 +/- 2. i tried jumping the battery, still zero turn over just click click click. let it sit, connected to the other car for a good 10 min and still wouldn't get above 107. think it's toast?
thanks for the great video. how to check petrol average? like skoda octavia?
@TheSushfiend - cont'd....Thanks for your imput by the way! Don't mean to be harsh on you but I take time out my regular life to shoot these videos. Making BMW videos is not my full time job and I only do them because working on my car is more or less a hobby of mine. Thee videos you see on my youtube are actually supplemented by factual and indept discussions at various threads on most of the bmw forums. So I usually tell people to use GOOGLE SEARCH for futher details!
How do you get it in to test mode? Witch button do I hit. You didn't explain how to get there.
You should hit the button when it displays "off"
13.8V -14.2V is right there.
I'm mixed. My background is brasil but I grew up in the Guyana, New York, London and back in New York again.
how do you test to see if the immobilizer is not allowing the car to start?
2003 bmw 325ci
Olaf...... Can you tell me if I can reset the service engine soon light after I have replaced the DMTL Pump, Thanks
I have problem reseting service interval on e46... i think menu for reseting is locked, i dont get any reset on the screen while holding left button, please sugest
very helpfull video thx !
I think you mean the odometer counter?
whats the alternator code since the battery is 9
I have some problems with my factory alarm in my e39 and somebody told me it could be the battery. I checked as you in your vid and my voltage when the engine is off is 12.4-12.5 some say it could be at least 12.6 hence do you think it can cause problems with alarm and do i need to change battery?
thanks for vid helpful
Why isn't Briggs and stratton using dual overhead cams?
Just tried to this but cant get to the on off part.What am i doing wrong?
Mine is E46 316tise 2002/2003
Thanks
After my drive my car for a seconds the vitesse cheked in my tableaux and when i turn off the car for a 1 minutes after i turn on the cheked in my tableaux clear . and when the needle heat become to the mid the car continues every thing normal and the cheked vitesse will never appear
@olaf2046
Thx to your reply. But it seems that battery is ok because i`ve turned on my engine to charge a battery and now obc shows about 12.6V. I am looking for something else...
Nice!
hi , im not familiar with this. hold what down ? how do you get it into test mode - please. thx and where do i find out what each number function is ?
@olaf2046 I've read that the tamper dot indicates that the mileage I can read is different to the real mileage. Is there any way to read that REAL mileage that is supposed to be recorded in the ECU?
hi, do i have to go test - 19 - off - 7 every time i want to see real time temperature?
or there is a way how to unlock it permanently and go test - 7?
Richy v2 hey. no way to permanently unlock. you have to do the routine every time you start the car
This does not work on my 1999 e46 318i?? Should it work on ALL variants?? Does it work on the 98 model?? or is my trip button fucked?? it reset the trip ok but will not access the OBC??
ohh ok thanks
I'm getting 13.4 doesnt change much after rev
Oh, lol. I was hoping there was a way to turn it on with my 5 speed.
Mine is reading 8.7 after having just died,would this be new battery or new alternator?or both!?
It would be the altinator because I wouldn't be charging the battery
It not I
how did you get it to tell you what gear you're in?
hey, does anyone know how to reset the miles on the trip odometer?
the battery is low is not very bad is bad if is under 12
try turning your lights off!
lol, so you saw what volts my car had this morning.
You have lights on which are drawing some power! What does a red dot above the minutes signify?
Those are black places to let you know the number can have at max 4 digits. so when you see "...9" that means you can also have "9999"
On this car if I recall correctly my Alternator was also on its way out. I also had some tech retrofit mods on this car for the SiriusXM adapter and iPod Intravee Set Up that would have been have drawing power on the down low.
what do the other tests do ?
Ok I was told that you can change the setting for daytime running lights without coding it at a dealer. That there's a personals setting on the car. How
On the 2006 to 2011 years 3 series E90 you can modify the daytime lamps setting thru the BC stalk or iDrive. The 1998 to 2006 E46 3 series needs a scanner that can code like a PA Soft scanner and your basic Windows PC laptop. Scanners are sold online from $15 up. Dealership charges $80 to turn on or off daytime lamps.
olaf2046 I have a BMW 330Ci ZHP 2006 , this don't work for me.
Work this for 2006 e46 ?
It's probably a different coding system I would look it up on google it won't show on bmw or atleast I couldn't find it
I did something to my car doing this playing around. And now it wont start, it won't click over?????????????? can anyone help?
Thank you very much!
hey mate i gotta prop with airbag light .....how to switch off it .....i appreciate .
hamza hadi Airbag has had many troubles . take it to the dealer and they'll fix it for free
sounds like a plan fred.
does this work on M3?
14.2
Need help my air bag light is on but when someone sites down it goes off on my 2000 bmw 323i wagon
I know that one of the air bag sensors is plugged into the seat belt tension-er under the drivers seat, maybe there is a loose/bad connection on one of yours??
I thought most cars rest at 13.8?
It varies I have a 325xi and mine is at 13.4 -14.1
@olaf2046 calm down -.- one it wasnt my car two it was a loose wire on the cars cpu that runs from one of the sensors that runs to the immo. system. ffs
It does it automatically. lol. get it auto-matically
from 2001 to 2006 years M3 cars.
@whatthehallbetch typical class of 2012 noob (facepalm).
Uhm...the point of this is that unlocking the car computer gives you lots of diagnosis and real time information about the car so you don't have to go to the BMW Dealership and pay them $125 an hour to tell you that you need a new battery. Unlocking also gives you other IMPORTANT information like coolant temperature, engine and oil temperature, voltage values at different points of the car, exact numerical values for fluid levels...
Its your alternator that needs change
Hey, are you Brazilian? thought you were until I hear your radio. Now I'm confused haha.
Se for ja está convidado para o nosso BMW club =]
Hes got a Brazilian
can the daytime lights be disabled also
Yes the daytime running lights can be coded off with a code device
What about testing or coding to control the lights for speedometer and rpm clusters?
this is not an accurate test to check the "health" of your battery.
I would just go to a o'rielys or advance auto or stores like that
I'm not sure. Why don't you pay your local BMW Dealership $125 and hour to tell you what they are "sure" off. That is if they will even bother with you. I got you this far but if you want to find specific answers GOOGLE is your friend. I'm not going to hold your hand every step of the way. Learn to GOOGLE my friend and ye shall be sure.
when the engine is not working have to be 14.00
GUHHHHHHH
whats the point of this
Noble Mulhall it's for the techs on the assembly line actually. Quick diagnoses of all gauges and lights and major systems. Newer models even give you trouble codes.
а по-русски мне кто нибудь скажет что именно он сказал?)
if your knowledge of cars is this weak, you shouldn't be messing with technical functions. it's like handing a monkey a computer watching you with mess with this bmw. not trying to be mean, but honestly you need to leave things alone if your knowledge is as weak as I can see.
this video is like 7 years old. I've learned a few things since. did you have a question for me?
I wanted to know if you knew what the codes 1-21 on the cluster represented.