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  1. NGK Spark plugs - Irridium or platinum?

    BMW Tuning Forum
    Hi guys, im just about to renew my plugs on my e46 and whilst looking on ebay there seem to be two types (that I know of) of spark plug that NGK sell. Irridium and Platinum. Anyone know which is better. All I know is that on NGK website they say I need NGK part number - BKR6EQUP Thanks Steve
  2. Spark Plugs Denso or NGK or Bosch

    General BMW Discussions
    As my Service is coming up I would like to know which you would choose for the best spark plug!!! Denso or NGK or Bosch I look forward to seeing the results:thumbsup
  3. 2004 E64 645i - Spark Plugs Service, Bosch or NGK?

    BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hello People, My spark plugs service is due in a few hundred miles according to the OBC - I came across a thread on an american forum where fellow 6er owners have recommended going for the NGK spark plugs...can anyone offer any advice? I'd be looking to order 8 of either of these...
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