Your BMW manual recommends high octane fuel. Does it really matter?  Yes. The professionals at Quality Automotive Servicing in Truckee CA do not recommend running low octane fuel in a BMW European import vehicle. The potential negative effects from using the cheaper "regular octane" fuel are not worth what you will save at the pump. Pay Now or Pay Later  BMWs are popular mountain cars and SUV's for Truckee and Lake Tahoe residents. BMW owners enjoy the luxury, performance and looks. As with all performance vehicles, they cost more to own, maintain, and repair than other vehicles. Parts, fluids and preventative maintenance all come with a bigger price tag. It's important not to short cut service on these high-cost vehicles in order to save money. It's never fun to have to weigh the cost to repair a vehicle that has been incorrectly maintained  ... read more