BMW E36 3 Series Sedan 325i Engine Technical Data

This inline-six engine, identified by the M50B25 engine code, is a 2.5-liter petrol unit designed with a longitudinal alignment and known for its balanced performance. It features a 24-valve layout with a bore and stroke of 84 x 75 mm (3.31 x 2.95 inches), and a displacement of 2494 cm³ (152.2 cubic inches). The Bosch DME M3.1 fuel system optimizes fuel delivery for efficient combustion, while a 10.5:1 compression ratio ensures strong output. Delivering a maximum power of 192 PS (189 HP or 141 kW) at 5900 rpm, the engine also produces peak torque of 245 Nm (180 lb-ft) at 4700 rpm. Paired with a 5-speed manual transmission and rear-wheel drive (RWD) configuration, this engine offers responsive performance and an engaging driving experience.

This inline-six engine is efficient for its class, with fuel consumption rates tailored for different driving environments. On open roads, it achieves an impressive economy of 7 L/100 km (40 MPG UK or 34 MPG US), ideal for long-distance journeys. On highways, it consumes about 8.4 L/100 km (34 MPG UK or 28 MPG US), balancing performance with fuel efficiency. In city driving, the consumption increases to 13.2 L/100 km (21 MPG UK or 18 MPG US) due to stop-and-go traffic. The fuel tank capacity is 65 liters (17.2 US gallons or 14.3 UK gallons), providing a good range between refills for both urban and highway driving.

This engine delivers solid performance metrics, with a top speed of 233 km/h (145 mph), showcasing its high-speed capability. Acceleration from 0 to 100 km/h (0 to 62 mph) is achieved in 7.9 seconds, offering a quick response for a vehicle of this class. Over a distance of 1000 meters, the car completes the run in 28.2 seconds, emphasizing its steady acceleration and power across longer stretches. These performance figures highlight a blend of speed, efficiency, and smooth power delivery that enhances the overall driving experience.