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  1. X3 E83 (2004 - 2010)
    I've googled, searched and everything I know how to do (which probably isn't that much) to find out what the true spark plug gap is for NGK BKR6EIX Iridium plugs. I have a '04 X3 2.5i. I replaced the plugs with NGK's but as I search around I see people stating the gap should be .028, .032...
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