Okay thanks again guys. I've done some more research and will definitely ask a dealer about that. After trawling through online stores over here it seems the cheap thing I was looking at was a bypass relay, not a lighting control module. I'm really glad I got help from you people before I ended up fitting a bypass relay!

Thanks again, I let you know how it all goes over here when It's fitted!

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2004 X3 2.0d