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      05-15-2013, 04:09 AM   #5
doughboy
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Drives: ....
Join Date: Jan 2009
Location: UK

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Buy your new spark plugs and take one to the tool shop and find a the slimmest socket to fit.

Looking on realoem your plugs look like fairly chunky regular hex socket:

http://www.realoem.com/bmw/showphoto.do?id=12122158252


Whereas the 335i / N54 that needs a thin walled 12 point socket has thinner plugs like this:

http://www.realoem.com/bmw/showphoto.do?id=12120037244