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      01-18-2011, 02:03 AM   #10
jonl1983
Lieutenant
Wales
-46
Rep
483
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Drives: F12 640d M Sport
Join Date: Mar 2010
Location: South Wales

iTrader: (2)

Shell fuelsave made my 335d run like crap. Lumpy, rough and poor performance. I use standard bp/shell/esso with Millers. Engine feels smooth with no issues. I also add in forte every 10k to give it a flush