Group 1 - BP plc is planning to sell its Castrol lubricants business, valued at approximately $8 billion, attracting interest from several high-profile bidders including Clayton Dubilier & Rice (CD&R) [1][3][8] - The sale of Castrol is part of BP's strategy to address pressures from activist investors like Elliott Management, who are advocating for cost reductions and improved returns [4][8] - Other bidders for the Castrol unit include Apollo Global Management, Lone Star Funds, and India's Reliance Industries, indicating a competitive auction process [3][4] Group 2 - Helge Lund, BP's current chairman, is an operating advisor to CD&R, which adds a unique dimension to the bidding process, although he is reportedly not involved in CD&R's interest in Castrol [2][6] - The auction for Castrol began earlier this year as BP faces scrutiny regarding its strategic direction and leadership succession, with potential successors having withdrawn from consideration [2][4] - CD&R's interest in Castrol aligns with its expansion strategy in the UK, where it already owns the Morrisons supermarket chain and Motor Fuel Group [6]