Upon changing out coils on my 07 Mini Cooper s, I found copious amount of oil in number three spark plug well. Going from left to right my number 1,2, and 4 were all clean with no oil or oil residue. I'm hoping to gain some info on all the possibles as to why just one spark plug well has oil drenching the exterior ceramic spark plug.
Perhaps this is the normal expectation regarding this problem, but I do not know and I cannot find anywhere on God's green World Wide Web where this issue has been specifically addressed.
Please, could you enlighten me? Thank you in advance.
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MINI Cooper R56 Valve Cover Replacement (2007-2011) | Pelican Parts DIY Maintenance Article