Originally Posted by BoilerUpXFire
Of the many I have done, the 36 is the least common I have seen. It had been a year since I did a set and could not remember which ones, I referenced that thread and ordered 36mm for my new coupe, and they do not fit correctly between the contacts, causing shorts.
If you get the 30 or 32 and they are a touch too short, they will still work fine because of the size of the contacts, but with the 36, it is difficlut to get them seated without highly modifying the bracket.
Do what you would like, I am simply offering info.
My apologies Boiler, I've pulled one of mine and measured it. It is 39mm. I am looking at the bulb and it is this one from
superlumination's festoon section
I think originally I tried a 36mm, but it came up short or loose in the plastic housing as the factory bulb is 37mm (1 15/32") from tip to tip. Where as the LED bulb I have is 39mm (1 17/32"). It does stretch out the plastic 'fingers' a bit, but is secure and works perfectly.
So, 36mm should work, but if other people have had a slightly different part and the plastic 'fingers' are closer than mine by 3mm or 4mm, then a 32mm would in fact be correct. (European part differences?)
Can you verify this with yours out and measure it and the holder?