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      07-07-2015, 11:07 PM   #4
SonicEndeavor
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Drives: 2014 535i MSport
Join Date: Jun 2013
Location: California

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^^ The situation would occur when a dealer is adding oil in between oil changes (adding Shell oil to an engine that already has Castrol in it), but there's no issue with mixing the two.
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2014 LCI 535i /// M-Sport - SAT, Premium package, HK Audio, Drivers Assistance, Top/Side/Rear cameras, multi-contour seats.
Mods: V2 coilovers, Michelin PS4S, Opticoat Pro, Quad black chrome exhaust tips.
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