E36 M42 DME 1.7.2 error

[selespeed]

i have been having this lately or maybe for a few months already...

DME 1.7.2 errors when diagnosed:

100 Engine Control System

Does anyone know what this error is? How can I rectify this?

In addition, the service indicator light stopped at "orange" warning level. But did not advance to RED even after 6 months of driving. But i changed my oil at regular intervals by monitoring the mileage

Thanks

teo

[Ivan_S42]

I assume on some of the sensors (cams, crank or oxygen)
I saw somewhere a table of sensors resistance so you could do a checkup on your own to see if sensors are not broken.

Hope it helps

[selespeed]

I assume on some of the sensors (cams, crank or oxygen)
I saw somewhere a table of sensors resistance so you could do a checkup on your own to see if sensors are not broken.

Hope it helps

the sensors are new! i don't think they're broken. because if they're, DME would have recorded these errors. Btw, error code 100 is about DME. Where is the relay for DME located?

[colin86325]

Yeah, that seems like an ECU-related  code.

The relay will be under the plastic cover that runs across the top of the firewall.

[selespeed]

Yeah, that seems like an ECU-related  code.

The relay will be under the plastic cover that runs across the top of the firewall.

thanks. i checked there are 3 relays of BMW M colors. which is the one? i wonder if i can get a manual on this. wiring diagram

[1998ccc]

Yeah, that seems like an ECU-related  code.

The relay will be under the plastic cover that runs across the top of the firewall.

thanks. i checked there are 3 relays of BMW M colors. which is the one? i wonder if i can get a manual on this. wiring diagram

Normally white.  It's the one with 5 pins  The other 2 have 4 and are fuel pump and o2 heater.

[selespeed]

Yeah, that seems like an ECU-related  code.

The relay will be under the plastic cover that runs across the top of the firewall.

thanks. i checked there are 3 relays of BMW M colors. which is the one? i wonder if i can get a manual on this. wiring diagram

Normally white.  It's the one with 5 pins  The other 2 have 4 and are fuel pump and o2 heater.

i have the relay replaced and the error still appears even after resetting it. therefore, the problem is not solved and is due to something else. i am wondering if persistent problem in a/c is the cause of the problem. the error code 85 is due to a/c compressor that is forced on all the time (e36 DME in a e30 chassis). so this error 85 is always on. maybe the mechanic did something to make it on all the time in order to  overcome a/c problem.

how do you guys solve the a/c compressor problem with a e36m42 engine in e30?

[cristimm]

i have been having this lately or maybe for a few months already...

DME 1.7.2 errors when diagnosed:

100 Engine Control System

Does anyone know what this error is? How can I rectify this?

In addition, the service indicator light stopped at "orange" warning level. But did not advance to RED even after 6 months of driving. But i changed my oil at regular intervals by monitoring the mileage

Thanks

teo

Do you have a custom chip installed?

[selespeed]

i have been having this lately or maybe for a few months already...

DME 1.7.2 errors when diagnosed:

100 Engine Control System

Does anyone know what this error is? How can I rectify this?

In addition, the service indicator light stopped at "orange" warning level. But did not advance to RED even after 6 months of driving. But i changed my oil at regular intervals by monitoring the mileage

Thanks

teo

Do you have a custom chip installed?

No. everything is stock. original DME