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Old 02-14-2011, 02:06 PM   #28
33beto
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Join Date: Feb 2003
Location: Cranford New Jersey
Posts: 190
My Ride: 08 328i Sedan(R.I.P)
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Quote:
Originally Posted by xi_ter View Post
When you run Seafoam through the Secondary air valve you don't need to change the oil, you will see the Seafoam and carbon deposits burn off in the white smoke.
Could this procedure kill my 100K miles O2 sensors? I need to replace them after that?
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