Quote:
Originally Posted by BEAR-AvHistory
What makes you believe they are factory seconds? Do you have any evidence?
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I have seen three or four posts on the e90forum where members had misfires after using OEM plugs. Its been documented.
Quote:
Originally Posted by BEAR-AvHistory
BTW a number of auto parts places have the Bosch branded plugs for &12/13 each.
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That is about the same price you can buy them at the dealer or from any one of the forum sponsors here. Given the choice I would rather use an OE part over a OEM.