LKM favour - People with factory windscreen brake light

[Eagle]

My '91 730i LKM was playing up so i swapped it with the one from my 88 535i before i sold it, little did i realise that the older module doesnt cause the high level brake to to light up.

I remember or at least i think i do the LKM-B line being something other than B

Was hoping someone with a high level light could see what their one says, would be much appreciated so i know what im looking for when visit the wreckers.

PS Ive attached a picture of the 88 one im currently using
Cheers

[BigKriss]

i have a 88 535i with rear brake light on the rear windscreen and my LKM looks exactly like the one you have in the picture. it says B there (LKM-B) also.

My '91 730i LKM was playing up so i swapped it with the one from my 88 535i before i sold it, little did i realise that the older module doesnt cause the high level brake to to light up.

I remember or at least i think i do the LKM-B line being something other than B

Was hoping someone with a high level light could see what their one says, would be much appreciated so i know what im looking for when visit the wreckers.

PS Ive attached a picture of the 88 one im currently using
Cheers

[Eagle]

assuming its factory?, how about the other numbers

[BigKriss]

all the numbers are the same

[Eagle]

mmm, maybe it was the luxury version i had(LKM-L) guess ill have swap with what the wreckers have got and hopefully get one that works. thx anyway

[Paul in NZ]

i dont think the lkm has any thing to do with the brake lights(hi level or otherwise)

[bmwrp8]

i dont think the lkm has any thing to do with the brake lights(hi level or otherwise)

x2...does your regular break lights work?

[Eagle]

Yes, all other lights worked. Im sure it worked before with the other LKM. Put 12V across pin 15 on the LKM circut(high brake light) makes it light up so wiring and bulb are good, def the module

[bmwrp8]

Yes, all other lights worked. Im sure it worked before with the other LKM. Put 12V across pin 15 on the LKM circut(high brake light) makes it light up so wiring and bulb are good, def the module

hmmm.never heard that before...try using LKM-L

[The Bigfella]

Its raining, dark and cold here at the moment, otherwise I'd go out and get the numbers BUT - both my cars have high level brake lights AND -when I swapped the LKM from the 1/89 535 in to the 5(?)/90 M5, the third brake light didn't work.

I will take a look on the weekend if I can organise both cars in the same spot.