Should the Borgward BX7 use 92 or 95 octane gasoline?
1 Answers
The Borgward BX7 model requires 95 octane gasoline. The type of gasoline a car uses is determined by the engine's compression ratio, and generally, you should follow the gasoline grade specified in the car's maintenance manual. Currently, the common gasoline grades in China mainly include 92 and 95 octane. The higher the octane number, the higher the gasoline's octane rating, and gasoline with a higher octane rating has better anti-knock properties. Generally, better cars have higher engine compression ratios, and higher compression ratios require gasoline with a higher octane rating. Otherwise, issues like premature ignition or knocking may occur. Under normal circumstances, it is not recommended to use gasoline with a lower octane rating than what the car manufacturer specifies or recommends. Using lower-octane gasoline can cause premature combustion, leading to engine knocking. Additionally, incomplete combustion of the gasoline can result in increased carbon deposits, clogging the fuel injectors and intake ducts, which may lead to fuel supply interruptions or engine stalling. In summary, for your car, it is best to use the gasoline grade indicated on the fuel tank cap or a higher grade, but using a lower grade is not recommended. For example, a car that uses 92 octane gasoline can use 95 octane, but a car that requires 95 octane should not use 92 octane.
