BP Plc $BP faces a transformative decision as it explores options for its Castrol business, fueled by mounting acquisition interest from global energy groups and leading private equity funds. Sources close to the matter indicate that BP has circulated early-stage materials to targeted parties, including key industry players like Reliance Industries Ltd. $RELIANCE.NS and major financial sponsors such as Apollo Global Management Inc. $APO and Lone Star Funds. Investment groups Brookfield Asset Management Ltd. $BAM and Stonepeak Partners have also received information dossiers, highlighting the scope of market appetite for Castrol’s established business.