What type of fuel is suitable for the BMW 5 Series?

[OEva]

BMW 5 Series requires fuel with an octane rating of 95 or higher. Below is relevant information: 1. The fuel grade is classified by octane number, which indicates the fuel's anti-knock performance. Isooctane has excellent anti-knock properties and is assigned an octane number of 100, while n-heptane has poor anti-knock performance and is prone to engine knocking, thus assigned an octane number of 0. The higher the fuel grade, the better its anti-knock performance. The appropriate fuel grade should be selected based on the engine's compression ratio. 2. The BMW 5 Series is a mid-to-large luxury sedan under BMW, with dimensions of 4998mm in length, 1901mm in width, and 1559mm in height, and a wheelbase of 3108mm. The seats and door interiors are upholstered in premium Dakota leather, giving the cabin an elegant and luxurious style. Additionally, it features an 8-inch screen installed on the back of the front seats and a refrigerator compartment in the center of the rear seats.