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bimmerboy · 06-29-2011, 10:32 PM

i just swapped out the bmw 5w-30 for mobil 1 0w-40 and the engine runs noticeably smoother. Temps used to hover around 240 before and now are around 230 so I can't complain. +1 for Mobil 0w40

06-29-2011, 10:32 PM	#4
bimmerboy Captain 23 Rep 601 Posts Drives: 135i Join Date: Jan 2009 Location: Bay Area iTrader: (0)	i just swapped out the bmw 5w-30 for mobil 1 0w-40 and the engine runs noticeably smoother. Temps used to hover around 240 before and now are around 230 so I can't complain. +1 for Mobil 0w40 __________________ *--2009 BSM 135i--* -Manual, Sport Package, BMW Assist
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