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N52B30O1 Used BMW Engine

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N52B30O1 Used BMW Engine For Sale

  • Engine Size (liters) 3
  • “# of Cylinders
  • and layout” I6
  • # of Valves 24
  • Camshaft and Valve Timing Valvetronic
  • HP Rating 255
  • Torque Rating 221
  • Active Years 2006-2012
  • Example Models E90 330i, E60 528i, Z4 3.0si
  • Features High-output N52KP

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BMW N52B30 Engine Comprehensive Guide

The BMW N52B30 engine is a high-performance, naturally aspirated engine produced by BMW from 2004 to 2011. This engine belonged to the BMW N52 series and was one of its most potent straight-6 engines. This comprehensive guide will explore the N52B30 engine in detail, including its specifications, performance, and applications.

Specifications

Manufacturer

The BMW N52B30 engine was manufactured at the Munich Plant in Germany. BMW is known for producing high-quality engines, and the N52B30 is no exception. The engine is known for its reliability, smooth operation, and high performance.

Also called

The N52B30 engine is also known as the BMW N52. The N52 series includes several other engines, such as the N52B25 and N52B30.

Production

The N52B30 engine was produced from 2004 to 2011. During this time, the engine was used in several BMW models, including the 125i E82, 128i E82, 130i E87, 328i E90, 330i E90, 528i E60, 530i E60, 528i F10, 530i F18, 630i E63, 730i E65, 730i F01, X1 E84, X3 E83, X3 F25, X5 E70, Z4 E85, and Z4 E89.

Cylinder block alloy

The cylinder block of the N52B30 engine is made of aluminum-magnesium alloy. This material provides several benefits, including low weight and high strength. The use of aluminum-magnesium alloy also improves the engine's heat dissipation and reduces the risk of engine overheating.

Configuration

The BMW N52B30 engine has a straight-6 configuration, which means it has six cylinders arranged in a straight line. The straight-6 configuration is known for its smooth operation and high performance. The N52B30 engine also has a lightweight design, which improves the engine's overall performance.

Valvetrain

The engine has a double overhead camshaft (DOHC) design with four valves per cylinder. This design allows for efficient airflow through the engine, which improves performance and fuel efficiency. The DOHC design also improves the engine's overall reliability and reduces the risk of engine failure.

Piston stroke

The piston stroke of the engine is 88 mm (3. 46 inches). The piston stroke refers to the distance the piston travels within the cylinder during each combustion cycle. A longer piston stroke typically results in a more powerful engine, but it can also reduce the engine's longevity if not designed properly.

Cylinder bore

The cylinder bore of the N52B30 engine is 85 mm (3.35 inches). The cylinder bore refers to the diameter of each cylinder in the engine. A larger cylinder bore typically allows for larger valves and higher airflow, which can improve the engine's performance.

Compression ratio

The compression ratio of the engine is 10.7. The compression ratio refers to the ratio of the volume inside the cylinder when the piston is at the bottom of its stroke (called the "combustion chamber volume") to the volume inside the cylinder when the piston is at the top of its stroke (called the "clearance volume"). A higher compression ratio typically results in a more efficient engine, but it can also increase the risk of engine knock if not designed properly.

Displacement

The engine has a displacement of 2996 cc (182.8 cu in). The displacement refers to the total volume displaced by all the engine's cylinders during one complete cycle of the engine. A larger displacement typically results in a more powerful engine.

Power output

The power output of the N52B30 engine varies depending on the model:
  • 160 kW (218 HP) at 6,100 rpm
  • 170 kW (231 HP) at 6,500 rpm
  • 190 kW (258 HP) at 6,600 rpm
  • 195 kW (265 HP) at 6,600 rpm
  • 200 kW (272 HP) at 6,650 rpm
The power output of the engine is one of its most impressive features. The N52B30 engine is known for its high power output, which allows for excellent acceleration and top speed.

Torque output

The torque output of the engine also varies depending on the model:
  • 270 Nm (199 lb·ft) at 2,400-4,200 rpm
  • 280 Nm (207 lb·ft) at 2,500-3,500 rpm
  • 270 Nm (199 lb·ft) at 2,750 rpm
  • 300 Nm (221 lb·ft) at 2,500-4,000 rpm
  • 310 Nm (229 lb·ft) at 2,600-3,000 rpm
  • 315 Nm (232 lb·ft) at 2,750 rpm
  • 315 Nm (232 lb·ft) at 2,750 rpm
The torque output of the engine is equally impressive. Torque is the twisting force produced by the engine, and it's what provides the "oomph" needed for quick acceleration and high-speed driving.

Redline

The redline of the engine is 7,000 rpm. The redline refers to the maximum engine speed at which the engine's components can safely operate. Operating the engine beyond its redline can cause severe damage to the engine and may result in engine failure.

HP per liter

The N52B30 engine produces an impressive 72.8 horsepower per liter. The HP per liter ratio is a measure of the engine's specific power output, and it's a good indicator of the engine's overall performance.

Fuel type

The engine is designed to run on gasoline. BMW recommends using high-quality gasoline with an octane rating of at least 91.

ECU

The N52B30 engine is equipped with a Siemens MSV70 engine control unit (ECU). The ECU is responsible for controlling various aspects of the engine 's operation, including fuel injection, ignition timing, and emissions control. The MSV70 is a sophisticated ECU that allows for precise control over the engine's performance and efficiency.

Weight

The weight of the N52B30 engine is approximately 130 kg (287 lbs). The engine's lightweight design improves the vehicle's overall performance by reducing its weight and improving its power-to-weight ratio.

Fuel consumption

The fuel consumption of the N52B30 engine varies depending on the model and driving conditions. For the E90 330i model, the fuel consumption is as follows:
  • City: 13.0 L/100 km (18.1 mpg)
  • Highway: 6.4 L/100 km (36.8 mpg)
  • Combined: 8.7 L/100 km (27 mpg)
These fuel consumption figures are relatively efficient for a high-performance engine, and they reflect BMW's commitment to producing high-performance vehicles that are also fuel-efficient.

Turbocharger

The N52B30 engine is naturally aspirated, which means it doesn't have a turbocharger. A turbocharger is a device that compresses the air entering the engine, which increases its power output. However, turbocharged engines are typically more complex and require more maintenance than naturally aspirated engines.

Oil consumption

The engine's oil consumption is up to 1.0 L/1000 km (1 qt. per 750 miles). Oil consumption is a common issue with high-performance engines, but the N52B30 engine's oil consumption is relatively low compared to other engines in its class.

Recommended engine oil

BMW recommends using 5W-30 or 5W-40 engine oil for the N52B30 engine. Using high-quality engine oil is important for maintaining the engine's performance and longevity.

Engine oil capacity

The engine's oil capacity is 6.5 L (6.9 qt.). It's important to check the engine's oil level regularly and add oil as needed to ensure proper lubrication and prevent engine damage.

Oil change interval

BMW recommends changing the engine oil every 7,000-10,000 km (4,500-6,000 miles). Regular oil changes are important for maintaining the engine's performance and longevity.

Normal engine operating temperature

The engine's normal operating temperature is approximately 95°C (203°F). Operating the engine below or above this temperature range can affect its performance and longevity.

Engine lifespan

The official information on the engine's lifespan is not available, but in real-world conditions, the engine can last up to approximately 300,000 km (185,000 miles) with proper maintenance and care.

Tuning

The engine can be tuned to produce up to 350+ horsepower without any loss in lifespan. Tuning can significantly improve the engine's performance, but it can also increase the risk of engine damage if not done properly.

Performance

The N52B30 engine is known for its high performance and excellent power output. The engine's straight-6 configuration, DOHC valvetrain, and high compression ratio contribute to its impressive performance. The engine's power output and torque are sufficient for quick acceleration and high-speed driving.

Applications

The N52B30 engine was used in several BMW models, including the 125i E82, 128i E82, 130i E87, 328i E90, 330i E90, 528i E60, 530i E60, 528i F10, 530i F18, 630i E63, 730i E65, 730i F01, X1 E84, X3 E83, X3 F25, X5 E70, Z4 E85, and Z4 E89. These models were popular for their high-performance capabilities and BMW's reputation for producing luxury vehicles.

Maintenance

Proper maintenance is essential for the longevity and performance of the N52B30 engine. Regular oil changes, air filter replacements, and spark plug replacements are crucial for maintaining the engine's performance and preventing costly repairs. It's also important to use high-quality gasoline and engine oil to ensure the engine runs smoothly and efficiently.

Common issues

Like any engine, the N52B30 engine is not immune to issues. Some common issues with the engine include:
  • High oil consumption: As mentioned earlier, the engine's oil consumption can be relatively high, which can result in increased maintenance costs.
  • Valve cover gasket leaks: The valve cover gasket can develop leaks over time, resulting in oil leaking from the engine and potentially causing engine damage.
  • Water pump failure: The water pump can fail prematurely, which can cause the engine to overheat and potentially cause severe engine damage.
  • VANOS solenoid failure: The VANOS solenoid is responsible for controlling the engine's valve timing. If the solenoid fails, it can result in decreased engine performance and potentially cause engine damage.

Conclusion

The BMW N52B30 engine is a high-performance engine known for its impressive power output and excellent acceleration capabilities. Its lightweight design and advanced features make it a popular choice for BMW's high-performance vehicles. However, proper maintenance ensures the engine's longevity and performance. As with any engine, regular maintenance and attention to potential issues can help prevent costly repairs and keep the engine running smoothly for years to come.

FAQs

  1. What BMW models use the N52B30 engine?
The N52B30 engine was used in several BMW models, including the 125i E82, 128i E82, 130i E87, 328i E90, 330i E90, 528i E60, 530i E60, 528i F10, 530i F18, 630i E63, 730i E65, 730i F01, X1 E84, X3 E83, X3 F25, X5 E70, Z4 E85, and Z4 E89.
  1. What is the horsepower of the N52B30 engine?
The horsepower of the engine varies depending on the model, ranging from 218 HP to 272 HP.
  1. What is the oil consumption of the N52B30 engine?
The oil consumption of the engine is up to 1.0 L/1000 km (1 qt. per 750 miles).
  1. What is the recommended engine oil for the N52B30 engine?
BMW recommends using 5W-30 or 5W-40 engine oil for the N52B30 engine.
  1. What are some common issues with the N52B30 engine?
Some common issues with the engine include high oil consumption, valve cover gasket leaks, water pump failure, and VANOS solenoid failure.

(E&OE)