Tuesday, April 22, 2008

14 difference of 2006 e90 and 2008

i noticed a couple of slight differences. Some of these have been discussed on this forum, but some i believe to be new.
1- When pressing unlock on the remote, head/rear lights turn on in 08. My May 06 doesn't do this.
2- There is a pleasant "gong" alert sound instead of the noisy chime. This is for everything from seat belt chime to low gas.
3- the music now fades in/out when switching tracks and starting/stopping the car. My 06 just cuts off the music when I turn the car off.
4- Flash light now a pen light instead of the rechargeable one
5- If music is on but engine is OFF. Starting the engine does not cut off the music. In my 06, the music cuts as the engine is starting.
6- The loaner I have does not have BMW assist, but u can still click on on BMW Assist in the Audio System console and it brings up a bunch of numbers u can call. (non - idrive)
7- The loaner does not seem to have premium package, but the right mirror tilts down when I put it into R. The mirrors DO NOT fold up (Thats how I know ther is no premium)
8- I have to turn the volume knob alot to change the volume. On my 06, a slight turn would change the volume significantly. The feel of the knob is also stiffer.
9- The speedometer looks different. I think the "ticks" on the speed scale are thicker or something.
10- the Bass/Treble options now go between 10 and -10. On my 06 the range is 6 to -6.
11- You can now control the volume of the car "chimes" and "alerts". Also in the Audio adjustment console.
12- Tire Pressure monitor know says "ACTIVE" when reset. In my 06 it just exits the menu
13- liscence plate lights are brighter
14- they changed the 5 to an 8 on the badge. Ok im kidding on this one

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Monday, April 21, 2008

BMW computer Reset Delete everything

There are many interesting functions available on the E36 OBC (On Board Computer) that are not documented in the owner’s manual, including changing the language of the display. The procedures described here work on my ‘97 328iC, which has the upgraded OBC - they may work on other models of similar vintage.


* Programming the Display Order
* Accessing Data
* Unlock the Display
* Test Codes
* Setting the Country Code
* Instrument Panel Tests

Programming the OBC to Display Contents in a Desired Order:

When you repeatedly press in on the turn signal stalk, the OBC display cycles through the various information types that it has in memory. The default sequence is: CONSUM1, CONSUM2, EXT. TEMP, SPEED, LIMIT, DIST and TIMER. If you want to change the display order, use the following procedure:

Press-in and hold the turn stalk for about 5 seconds. The OBC display will change to Prog 1. Press the button corresponding to the first function you would like to have displayed in the sequence. For example, if you would like the outside temperature to be displayed first, press the TEMP button. The display will then change to Prog2. Continue pressing the OBC buttons in the order you want, up through nine entries. You don’t have to enter all nine - if you would like the display to cycle only between TEMP and RANGE, simply enter those two items as Prog 1 and Prog 2. When finished, press the SET/RES button to store the sequence in memory.

To revert to the default order, simply press SET/RES as soon as Prog 1 is displayed.

Accessing Data in the OBC:

The OBC contains a lot of data, and displays the data in a manner determined by the country code that is stored in it. The technique to access this data is as follows:

Press the 1000 and 10 keys simultaneously. You should see Test-Nr.: appear in the display.

The table below lists the available test codes that are available. Enter a test code number, using the number keys, followed by the SET/RES key. However, to access codes other than 1, 10, 14, 19, and 21,
you have to first unlock the OBC, using the procedure described below.

Read the results.

For test numbers 10 and 11, enter a new value (if desired) and press SET/RES.

Return to the normal display functions by pressing CHECK or any other key.

Unlock the Display:

Most of the test sequences require you to first unlock the display before. Enter test code 19 using the above procedure. The display should read LOCK:ON. Then enter an unlocking code consisting of the sum of the current month plus date (for example, if today is July 11, enter 18). Then press SET/RES, and the OBC is now unlocked.

Test Codes:

Following is a listing of the available tests, along with with my notes as to what I think each test means. Note that the display uses European conventions for decimals (i.e., the number 61,7 is 61.7f or us Americans). You will see that I don’t have good explanations for several of these test codes:

Test Code No.



Display Must Be Unlocked First?


All LED display elements are lit

Verify that the display is working properly



VBR: n,n l/100km

n,n = instantaneous fuel usage in liters/100 km



VBR: n,n l/h

n,n = instantaneous fuel usage in liters per hour



RW-VBR: n,n l/100

n,n = average fuel usage in liter/100 km.



RW: nnn km

nnn = range in km



Not used



TMTL: nn,n l

nn,n = fuel remaining (in liters)



V: n km/h

n = instantaneous speed in km/h



UB: nn,nn V

nn,nn = system voltage (should be
around 13,80)



LAND: n xxx *

Country code — for US drivers
should be set to 2 USA — see description below



EINHEIT n: xx *

?? There are two EINHEIT displays: the values for xx in EINHEIT 1 can range between B0 and BF, and for EINHEIT 2 range between 0F and FF (mine is set to B3 and FF, respectively). Press the 1000 or 100 key to switch between EINHEIT 1 and EINHEIT 2.



VANK nn km/h

nn = average speed



ANK: nn:nn

nn:nn = ETA (will display
if the OBC’s distance function is not in use)



ROM: dd.mm.yy

dd.mm.yyyy = Software version date. Mine is 25.06.1991



DIAG: nn nn nnn xx

Diagnosis code? Mine is 01 05 255 FA



PORT: nn nnnnnnnn

Port codes? Press 1000
or 100 key to cycle port numbers. For example, PORT 01 is 10101000



PROM: nn nn

?? Mine reads 00 12



HORN: xxxx

(Single tone horn versus dual tone)



LOCK: xx

xx = ON or OFF.
See description above for method.



KVBR: nnnn

nnnn = Fuel rate calibration factor. Mine is set to 1000




Reset all defect codes? Also erases all stored values in the OBC (i.e,
fuel consumtion, avg. speed, timer, etc) and clock.


Note: #20 The factor is used to correct the OBC Avg Fuel Consumption figure to reality. If your OBC is off a bit, fill it UP totally and then run the tank down and refill. Then calculate your Actual MPG. Now enter test #20 get the old Correction Factor. NEW CF = OLD CF *(Actual MPG/OBC MPG)

Setting the Country Code:

If your OBC suddenly starts displaying every thing in German, and you would like to put it back to English, use test sequence number 10. Once you’re into test number 10, press the 1 key several times, and you’ll see the display cycle through various country options. For example, 0 is for Germany (the display reads LAND:0 D * - I assume D stands for Deutschland). As you cycle through the options, you’ll see choices for the Great Britain, USA, France, Canada, etc. Once the display is on the country you want, press the SET/RES key to store your choice into memory — for US drivers the display should be set to LAND: 2 USA * . Then press the CHECK key, and the display will reflect the units of the country you’ve chosen.

Instrument Panel Tests:

With the engine off, press and hold the trip mileage reset button, and then turn the key to accessory position 2 (OBC and radio come on). The LED display on the instrument panel (which normally is the odometer) will change to tESt01 and then will begin to cycle through several displays. Release the button. The display will continue to cycle through several displays. Here’s the data my car displays:


Display Sequence




BMW part No.



Code No.?



K No.?



Last 5 digits of VIN



Software Version



Revision Index Hardware No.

Finally, all LED elements will light, and all gauges will cycle once.

You can press the mileage-reset button again to access more tests. Tests 2 through4 are always unlocked and hence available. Tests 5 through 14 are normally locked — to access these you must first unlock the display-using test 15.Otherwise the display simply shows:


Test Sequence




Engine type: n = 2 for 4-cylinder engine, 3 for 6-cylinder, and 4 for 8-cylinder



km traveled since last oil service reset.



Age of car, in days

For tests 5 - 13, display must first be unlocked using sequence 15.



SI evaluation factor: n = 0 or 1 (over-rev), t= 0 or 1 (engine temp over heat)


Fuel level and coolant temp. Displays hexadec codes relating to gauge position:

Fuel Gauge Hex value:

A (empty) —-> 0d

End of Reserve —-> 37

B ——> 54

C ——–> 90

D ———> c4

E (full) ——> f0

Engine Temp Hex value:

A ——-> ce

B ——–> 6d

C ——–> 5c

D (center) ——> 4f-23

E ——–> 1e

F ———> 18


Current engine RPM


Current road speed in km/h

nnnnnn A


Distance - used to compare odometer mileage in the EPROM vs. the coding plug. If the two values don’t agree (for example, if one of these elements was replaced), the manipulation dot will illuminate. This function will synchronize the two readings to the highest value. Press and hold the reset button for 4 seconds, and the lower mileage reading will be overwritten by the higher, and the manipulation dot is cancelled.



Status bits - input signal (0=low
or 1= high):

1: seat belt: fastened =0

2: ignition lock: key inserted=0

3: door contact: door open = 0

4: clock button pressed = 0

5: SI reset = 0

6: EGS transmission failure = 0



Status bits - output signals:

1: Gond output

2: Brake warning lamp

3: Low fuel warning lamp

4: EGA lamp

5: Seat belt lamp

6: manipulation dot



Not used



Country code of cluster (USA = 02)


Software reset

L On/Off


Lock Status (on or off). Press and hold the reset button for about five seconds until the display reads "OFF". Now you can access test sequences 5 through 14.