What engine does the BMW 740 have?

[VonAndrew]

The engine of the BMW 740 is produced by Bavarian Motor Works and is an imported engine. The 2.0T version of the BMW 740 has an engine model of B48B20B, with a maximum power of 195KW, maximum torque of 400Nm, and maximum horsepower of 265. The 3.0T version has an engine model of N54B30A, with a maximum power of 250KW, maximum torque of 450Nm, and maximum horsepower of 340. For daily maintenance of the BMW 740's engine, the following methods can be used: Use lubricating oil of appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional equipment of the intake and exhaust systems and usage conditions; for diesel engines, choose CB--CD grade diesel engine oil according to mechanical load, with the selection standard not lower than the manufacturer's requirements; Regularly change the oil and filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, causing various problems for the engine. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level; When oil passes through the fine pores of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is clogged and oil cannot pass through the filter element, it may burst the filter element or open the safety valve, allowing oil to bypass through the bypass valve and carry contaminants back to the lubrication areas, accelerating engine wear and increasing internal contamination; Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal powder from component wear to form sludge. A small amount remains suspended in the oil, while a large amount precipitates, clogging filters and oil passages, making engine lubrication difficult and causing wear; Regularly use radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.

[ElenaRose]

I've been driving the BMW 740 for a while now, and it's equipped with a B58 inline-six turbocharged engine with a displacement of 3.0 liters. This thing really packs a punch, delivering over 330 horsepower and more than 500 Nm of torque. It feels incredibly stable during everyday driving. Accelerating from 0 to 100 km/h takes just a little over five seconds, making overtaking on the highway a breeze. The engine sound is quite engaging but not too loud. BMW has put a lot of effort into the tuning, and combined with the 8-speed automatic transmission, it's as smooth as sailing. Fuel consumption isn't too bad either, around 10 liters per 100 km in the city and dropping to 7 liters on the highway. It shares engine design with other BMW models like the X5, so maintenance parts are easy to find. I find it a blast to drive, striking a great balance between performance and efficiency. I'd recommend trying out the different driving modes to feel the differences.

[StEsther]

My BMW 740 is equipped with a B58 inline-six turbocharged engine, which has proven to be very reliable in daily use. The fuel consumption is reasonable, around 10 liters per 100 kilometers in city traffic congestion, and can drop to 7 liters on the highway, making it quite economical. The engine provides sufficient power to handle various road conditions, whether going uphill or carrying heavy loads, without any difficulty. It operates quietly, and the cabin is well-insulated, making long drives less tiring. Over two years of ownership, I haven't encountered any major issues, mainly sticking to regular maintenance, such as oil and filter changes, to prolong the engine's lifespan. It's advisable to avoid rough roads to prevent vibration damage. The BMW engine is compactly designed but highly space-efficient, making repairs relatively straightforward. The key to owning such a car is peace of mind, so don't overlook engine warm-up, especially during winter starts—allow a brief slow warm-up period.

[McSavannah]

The BMW 740 is equipped with a B58 inline-six turbocharged engine, with a displacement of 3.0 liters. It delivers 335 horsepower and 450 Newton-meters of torque, featuring twin-scroll technology for improved responsiveness. Paired with an 8-speed automatic transmission, it offers smooth and efficient driving, along with good fuel efficiency. The engine design includes an optimized cooling system for enhanced reliability. It is well-suited for various daily driving scenarios.

[MatteoRose]

I've been driving BMWs for decades and witnessed the evolution of the 740 engine, from the early V8 to the current B58 inline-six. The new engine is more compact and lightweight, with a 3.0-liter displacement, improving fuel efficiency without sacrificing power, delivering over 330 horsepower. It's fuel-efficient for daily use, averaging 10 liters per 100 km in city driving. The reduced engine weight enhances handling, yet BMW maintains the inline-six tradition for stability. Regular checks on spark plugs and belts are recommended to sustain long-term performance. It still offers a luxurious and comfortable drive, a true evolution of a classic.

[Jeff]

From a maintenance perspective, the BMW 740's B58 engine is highly reliable. Having used several, I recommend paying attention to coolant levels and turbo inspections, as oil leaks are a common issue. Change the engine oil every 10,000 kilometers and avoid low-quality fuel to prevent damage to the fuel injectors. With over 330 horsepower, the engine is robustly designed and can last up to 200,000 kilometers without major repairs if well-maintained. Fuel consumption ranges between 8-10 liters per 100 kilometers, and smooth driving can extend its lifespan. It's advisable not to modify the turbocharging system, as it can easily lead to malfunctions—keeping the factory tuning is the safest approach.