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      01-22-2013, 07:38 PM   #3
Vic311
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Drives: 2011 e92 M3
Join Date: Dec 2012
Location: NY

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I run a bottle of techron through the tank every so often. Keeps injectors clean and helps carbon deposits from forming on the valves.

FYI techron is exactly what BMW sells except its re-branded and costs more.