If its not ultra low sulfur it will ruin the catalyst coating of the dpf and doc. Be sure to ask!!!!!!

Very expensive and will not be covered under warranty if they determine why it happened,

Some hearing oil is ulsd so you may be fine, just make sure you know what's going in your tank.

Jay

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Herbert - '12 X5 35d / Sapphire Black / Black Perf Nevada / Aluminum trim / ZPP / ZPS / ZCW / ZAV / Apps / 3rd row
Betty - '04 CTS-V / Black Raven / Black Leather & Suede / 6 speed LS6 combo 400 hp & 400 tq
Sterling - '06 Silverado HD / White / Grey Leather / LBZ Duramax - Allison 6 speed combo / Crew Cab Short Bed LT3