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BC hidden menus |
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All BMW 3series cars of the E90, E91, E92 (and probably E93) family have hidden/service menus in the Board Computer (BC)
Although on cars with iDrive, some of this information can be accessed in a more readable format through the hidden iDrive menus
Option 1
Option 2
At this point the BC should display data in a "XX.YY" format. So if the BC displays "01.00", that means Main Menu 01, sub menu 00
To continue to navigate the menus, you need to use again the daytrip/odometer button (hereafter just called 'button')
At this point, the available main menus are 01, 02 and 19. To access the remaining menus a code is required.
This code can be found under menu 01.00 and needs to be calculated as follows from the Chassis number
Say the number displayed is XX12345, you take the last 5 digits (12345 in this case), and add them all up, so 1+2+3+4+5=15. Meaning your unlock code is 15.
To enter the unlock code, go to main menu 19, and wait until it asks for the unlock code. Now press the button until it reads your unlock code (15 in our example), and the display will show 'lock: off'.
Now all menus are available
Although on cars with iDrive, some of this information can be accessed in a more readable format through the hidden iDrive menus
Accessing the menus
To access these hidden menus (or service menus), you have 2 options..Option 1
- Turn ignition on, or start your car
- Press and hold the button to reset the daytrip/odometer for 10 seconds
Option 2
- Press and hold the button to reset the daytrip/odometer
- While keeping this button pressed, insert the keyfob into its slot, and release the button
At this point the BC should display data in a "XX.YY" format. So if the BC displays "01.00", that means Main Menu 01, sub menu 00
To continue to navigate the menus, you need to use again the daytrip/odometer button (hereafter just called 'button')
- While the display reads XX.__ press the button repeatedly to select the main menu option (XX)
- when reaching the desired main menu option, wait for 2 second for the display to read XX.00, at this time pressing the button will select the sub menu (YY)
- To go back to selection of a main menu (XX), press and hold the button for 2 seconds, until it shows XX.__ again.
- To leave the hidden/service menus press and hold the button for 10 seconds, or remove the keyfob.
At this point, the available main menus are 01, 02 and 19. To access the remaining menus a code is required.
This code can be found under menu 01.00 and needs to be calculated as follows from the Chassis number
Say the number displayed is XX12345, you take the last 5 digits (12345 in this case), and add them all up, so 1+2+3+4+5=15. Meaning your unlock code is 15.
To enter the unlock code, go to main menu 19, and wait until it asks for the unlock code. Now press the button until it reads your unlock code (15 in our example), and the display will show 'lock: off'.
Now all menus are available
Menu list and description
Note: please make corrections/additions to this list if you have additional information!| Menu | German text | English Translation | Notes | Picture |
| 01.00 | FGSTNR (Fahrgestellnummer) | Vehicle chassis number | Last seven characters of the VIN. |  |
| 01.01 | K-ZAHL W/T (Kilo-Zahl Wirklich/Tacho?) | Tacho in thousands True/Tacho? |  | |
| 01.02 | BMWTNR (BMW Teilenummer) | BMW Part number of Instrument panel? |  | |
| 01.03 | COD DIA | Diagnostic code? |  | |
| 01.04 | KI HSTLDATUM (Kombi Instrument Herstellungs datum) | Instrument Panel Manufacturing date |  | |
| 01.05 | HW AEI | Hardware revision ?? | First part is probably the hardware revision of the instrument panel. Unclear what the second part (AEI is) |  |
| 01.06 | SW | Software version? |  | |
| 01.07 | KODIERDATEN | Coding data |  | |
| 01.08 | CAN | Can Bus version? | Should this not be Most-Bus instead? (but isn't there still a CAN bus even thought there's also a MOST bus?) |  |
| 02.00 | KI TEST (Kombi Instrument Test) | Instrument Panel Test | When the display shows 02.00, click the button one more time to start the test. Causes all indicator to light up, and gauges to go to max. |   |
| 03.00 | UNBELEGT | Unused | On some older cars (pre-E90), this menu contains service data, but not anymore. |  |
| 04.00 | VERB-MOM (Verbrauch im Moment) | Current fuel consumption in l/100km |  | |
| 04.01 | VERB-MOM (Verbrauch im Moment) | Current fuel consumption in l/hour |  | |
| 04.02 | D-VERB1 LIT (Durchschnitt Verbrauch im Liter?) | Averages - Consumed fuel |  | |
| 04.03 | D-VERB1 WEG (Durchschnitt Verbrauch im Wegstrecke?) | Averages - Distance traveled |  | |
| 04.04 | D-VERB2 LIT (Durchschnitt Verbrauch im Liter?) | Averages - Consumed fuel in Liters |  | |
| 04.05 | D-VERB2 WEG (Durchschnitt Verbrauch im Wegstrecke?) | Averages - Distance traveled |  | |
| 05.00 | RW-VERB (Reichweite Verbrauch) | Range Fuel usage | This is used to calculate how much further you can drive |  |
| 05.01 | RW-MOM (Reichweite im Moment) | Estimated range until tank is empty |  | |
| 06.00 | TANK L R S (Tank Links Rechts Summe) | Remaining fuel in left and right fuel tank, and total (Left-Right-Sum) |  | |
| 06.01 | TANK-ANZ PH | Total fuel tank content | why is this different from the 06.00 total value? and what is the trailing 'PH' value (1 in this case)? |  |
| 06.02 | TANK-OHM L R | prehaps the resistance values returned by the left and right fuel level sensors? that is, the 'raw' data from which the calculated values in litres are calculated |  | |
| 07.00 | KTMP-MOM (Kühlmittel Temperatur im Moment) | Current Coolant temperature |  | |
| 07.01 | ATMP-MOM (Außen Temperatur im Moment) | Current Outside temperature |  | |
| 07.02 | ATMP ADC (Außentemperatur Analog Digital Converter) | Raw temperature value from analog digital converter |  | |
| 07.03 | N-MOT-MOM | current engine revs per minute |  | |
| 07.04 | N-VWF-MOM | revs per minute limit on M cars whilst engine warming up (increase in blocks of 50rpm as temp rises) |  | |
| 08.00 | V-EFF | Current speed |  | |
| 08.01 | V-ANZ | Speed shown on indicator |  | |
| 08.02 | V-SZ | Cruise control speed on indicator |  | |
| 08.03 | DGESCH1 WEG | ?? - Distance traveled |  | |
| 08.04 | DGESCH1 ZEIT | Total Time driven? |  | |
| 08.05 | DGESCH2 WEG | ?? - Distance traveled |  | |
| 08.06 | DGESCH2 ZEIT | Total Time driven? |  | |
| 09.00 | UB | Voltage |  | |
| 10.00 | KM / WOCHE | KM/Week |  | |
| 10.01 | GELB CBS H A | ? |  | |
| 10.02 | SC-STATUS | ? |  | |
| 10.03 | CBS-MODE | ? |  | |
| 10.04 | TAG-ZAEHLER (Tag Zähler) | Day Counter |  | |
| 11.00 | ZEIT-EINH (Zeit Einheit) | Time format | 12 or 24 |  |
| 11.01 | WEG-EINH (Wegstrecke Einheit) | Distance format | KM or MLS |  |
| 11.02 | TEMP-EINH (Temperatur Einheit) | Temperature format | °C or °F |  |
| 11.03 | VERB-EINH (Verbrauch Einheit) | Fuel Usage format | l/100km, km/l or mpg |  |
| 12.00 | V-ANKUNFT (Veranschlagt Ankunft?) | Estimated ?? until arrival |  | |
| 12.01 | ANK-ZEIT (Ankunft Zeit) | Estimated Arrival time |  | |
| 13.00 | AUDIO | Sound test | Press button to play BLINKER, ACC Gong, CCG and DG sounds |  |
| 14.00 | FS-EINTRAEGE (Fehler Speicher Einträge) | Memory error entries |  | |
| 14.01 | FSP01 (Fehler Speicher Position 01) | Memory Error Entry 01 |  | |
| 14.02 | FSP02 (Fehler Speicher Position 02) | Memory Error Entry 02 |  | |
| 14.03 | FSP03 (Fehler Speicher Position 03) | Memory Error Entry 03 |  | |
| 14.04 | FSP04 (Fehler Speicher Position 04) | Memory Error Entry 04 |  | |
| 14.05 | FSP05 (Fehler Speicher Position 05) | Memory Error Entry 05 |  | |
| 14.06 | FSP06 (Fehler Speicher Position 06) | Memory Error Entry 06 |  | |
| 14.07 | FSP07 (Fehler Speicher Position 07) | Memory Error Entry 07 |  | |
| 14.08 | FSP08 (Fehler Speicher Position 08) | Memory Error Entry 08 |  | |
| 14.09 | FSP09 (Fehler Speicher Position 09) | Memory Error Entry 09 |  | |
| 14.10 | FSP10 (Fehler Speicher Position 10) | Memory Error Entry 10 |  | |
| 15.00 | PORT 00h | ? |  | |
| 15.01 | PORT 01h | ? |  | |
| 15.02 | PORT 02h | ? |  | |
| 15.03 | PORT 03h | ? |  | |
| 15.04 | PORT 04h | ? |  | |
| 15.05 | PORT 05h | ? |  | |
| 15.06 | PORT 06h | ? |  | |
| 15.07 | PORT 07h | ? |  | |
| 15.08 | PORT 08h | ? |  | |
| 15.09 | PORT 09h | ? |  | |
| 15.10 | PORT 0Ah | ? | ||
| 15.11 | PORT 0Bh | ? | ||
| 16.00 | DIMMRAD CAN | Dashboard lighting? | ||
| 16.01 | PHOTO-ADC | Day light measurement | ||
| 16.02 | DIMM-PWM SZ | ? | ||
| 16.03 | DIMM-PWM DK | ? | ||
| 17.00 | DISP-HEIZ | Display heater on/off | ||
| 17.01 | NCT1 NCT2 | ? | ||
| 17.02 | KONTR-PWM | ? | ||
| 18.00 | CC-TEST | Check Control Test | ||
| 19.00 | UNLOCK | Unlock menu |  | |
| 20.00 | KORR-VERBR | Correction factor - Usage | Korrekturfaktor Verbrauchsanzeige Fuel consumption correction factor | |
| 20.01 | 1ER KORR | 1st correction? | Change the 'ones' digit of the correction factor | |
| 20.02 | 10ER KORR | 10th correction? | Change the 'tens' digit of the correction factor | |
| 20.03 | 100ER KORR | 100th correction? | Change the 'hundreds' digit of the correction factor | |
| 21.00 | RESET? | Software reset |
