Check Engine Light

[AREITO]

Hi all, in my 525i 1989 the light check engine pop up sometime . Can anyone help me and can tell me what sensor do i have to change or what do i have to do!~ HAPPY THANKSGIVING TO ALL

[DueyT]

Get the codes using the "stomp test" described here:

http://www.bmwe34.net/e34main/trouble/engine_codes.htm


...then decode the number here:

http://www.unofficialbmw.com/repair_faqs/motronic.html

Cheers,
Duey

[shogun]

He comes from Portugal and a stomp test is only possible on U.S. specification cars.

Areito: if the warning comes on the CC control that lights are not working or brake lights, you have to resolder the LKM = light control module and the mustard relay.
It's also mentioned in the link before, but here is another one with an additional LKM fix. It's for an E32, but that does not matter, same applies for E34.

click here

[DueyT]

Hmmmm...thought the stomp test was universal -- it also works on Canadian-spec vehicles (which are not US DOT-approved.)

Cheers,
Duey

[shogun]

Duey,
that stomp test was a requirement based on -let me guess- the regulations in California first.
Maybe it's on Canadian cars too, at least on some. (I actually do not know)

There are a lot of discussions on the European boards how to get the stomp test done/installed, but so far I have not heard of any big success.
I have asked on roadfly mid of last year already, but did not get a definitive answer.

There are a lot of differences depending on the regulations in some countries.
For example some of the elder E32 and E34 in Great Britain even do not have a catalyzer installed.
Usually the European specs have more HP compared to US versions, the US spec's bigger bumpers, diff's have different ratios for various countries such as Australia/US/Japan compared to Europe, and so on.

My E32 in Japan spec. also does not have it. I would be happy to have such a system. That's why I bought a PEAKE from USA, also not available in Europe or Japan.
Works pretty good.
But there is one advantage for all of us: combine the best of the various country specs in your car such as different diff's etc.

[netmgr]

I hate to babble on about this bad advice thing...but heres one

i quote 'if the warning comes on the CC control that lights are not working or brake lights, you have to resolder the LKM = light control module and the mustard relay.'

erm ok but is that only explanation...what about a bulb is blown...or not seated correctly...or the wires corroded...

and who said stomp test is only available on us spec...no its not where did u get that from?? sometimes with updated firmware done by the dealers it stops the stomp working...but on the whole if it has a working check engine light u can do the test...even the early cars worked if you put a bulb in the dash..all be it leaving the light on constantly

also what has the check engine light got to do with the lcd...if a brake light is out i wasnt aware it illuminated the check engine light...

[shogun]

better, no problem for me.
But it is common knowledge that EU specification cars do not have a stomp test possibility.
If you do not believe it, ask for example the experts in the U.K. register.


I want to help as much as possible, not argue.

Thanks for your understanding.

[netmgr]

erm i am in the UK...and i do know better as mines got it...and its UK spec

[red-Star]

Complete twaddle. You may be able to do a stomp test on yours as it may well have US firmware, HOWEVER The Stomp test is not and never has been a feature of the UK spec firmware.

Regards
J

[netmgr]

well what can you say...works on mine and my car is no different than any other car in the respect that it was built for the uk, shipped to the uk and has always been in the uk.