After carrying out an oil flush and oil and filter change the misfire had improved a little.Out of curiosity he disconnected the inlet cam vanos unit whilst the misfire was present and it dissapeared.So a new one was fitted and the jobs a good un!
One for the memory banks i think.
Allan
Message Thread 
BMW 323i (E46) 2003 - Misfire from cold - Fixed # - Allan Davis October 9, 2010, 8:19 am
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