Rear Fogs

R

rich48848

Member
So after putting some nice new shiny front fogs, I check the lights on the car and notice one of the rear fogs is not on.

Open the access hatch in the boot, find it doesn't give access to the fog bulb... :roll: Remove whole light cluster, extract bulb, bulb is fine.

No corrosion on pins and terminals.

So is there a fuse for one side of the rear fogs?

Anywhere else I need to look? A junction block or something?
 
This is normal, is in the manual but not massively clear. Only the offside rear fog illuminates, the other is for BFD and LHD.
I'm in the process of changing BFD to flashing brake lights, may try and enable both rear fogs but think one is more useful in fog.
 
Scooba_Steve said:
This is normal, is in the manual but not massively clear. Only the offside rear fog illuminates, the other is for BFD and LHD.
I'm in the process of changing BFD to flashing brake lights, may try and enable both rear fogs but think one is more useful in fog.
Click to expand...

Really! And they still fit a bulb???

Well, F me sideways with a trolley jack.... That is well strange. Still, now I know where to find a spare bulb if the other one goes! :rofl:
 
BFD = Brake Force Display.

If you have no lights on at all and hit the brakes REALLY hard, i.e. the ABS system kicks in, then the tail light bars, the 3 brake lights and both fogs light up. It's a very visible warning to any driver behind. If you have tail lights on already because the headlights or sides are on then everything else lights up. I think on the newest models everything flashes instead, from memory of when I followed a friend in a M135i on a spirited drive last year.

I was completely confused at first as well - swapped bulbs over, put new ones in, and even took the light unit off the car to inspect it :oops:
 
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