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A 312779 turbocharger is a device that forces additional air into a car's internal combustion engine, allowing for more fuel to be burned and yielding greater power. The 312779 turbocharger was invented in 1905 by Swiss engineer Alfred Buchi. There are several different types of turbochargers, including:
Single turbo
A single turbo is the most common type of turbocharger found in vehicles. As its name suggests, this system uses a single turbocharger to boost the power output of an engine. In essence, a single turbo draws in exhaust gases generated by the engine and spins a turbine, which activates a compressor that forces extra air into the engine's intake. The result is increased horsepower and torque, making single turbochargers a popular upgrade for performance enthusiasts. While offering many benefits, single turbos come with drawbacks, such as turbo lag, which is a delay in power delivery as the turbo spools up. Nonetheless, single turbochargers remain a favorite due to their simplicity and effectiveness in enhancing engine performance.
Twin-turbo
Twin-turbo systems utilize two turbochargers to compress the incoming air into the engine, providing more power and efficiency. These turbochargers can be configured in parallel or sequential arrangements, each offering unique advantages. Parallel setups ensure that each turbocharger handles an equal share of the engine's exhaust gases, resulting in balanced performance. On the other hand, sequential arrangements employ a smaller turbo for low-end power and a larger one for high-end efficiency, optimizing the power band across the RPM range. Consequently, twin-turbo systems deliver immediate boost and sustained power, reducing turbo lag and enhancing throttle response. This technology is especially prevalent in high-performance sports cars and luxury vehicles, where seamless acceleration and impressive horsepower are essential. By harnessing the capabilities of two turbochargers, twin-turbochargers achieve a perfect balance of power, efficiency, and drivability.
Variable-geometry turbocharger (VGT)
A variable-geometry turbocharger (VGT) is a groundbreaking innovation in turbocharging technology. What sets VGTs apart from conventional turbochargers lies in their adjustable turbine blade angles. By changing the blade positions, the VGT optimizes the aspect ratio of the turbine for various engine speeds. This adaptability results in improved low-end boost, reduced turbo lag, and enhanced overall efficiency. As a result, vehicles equipped with VGTs experience swift throttle response, making VGTs particularly advantageous for applications requiring precise power delivery, such as in diesel engines and high-performance sports cars. While VGTs offer significant benefits, their complex design and potential higher manufacturing costs compared to fixed-geometry turbochargers can be considered drawbacks. Nevertheless, VGTs stand out as a revolutionary solution to achieving optimal boost and performance across a wide range of operating conditions.
Electric turbo-compound
The electric turbo compound (ETC) represents a cutting-edge advancement in turbocharging technology, seamlessly integrating electric components to enhance overall performance. By utilizing electric motors, the ETC eliminates turbo lag, delivering instantaneous boost and throttle response. This technology not only improves acceleration but also increases overall engine efficiency. By recovering wasted exhaust heat and converting it into usable energy, the ETC contributes to better fuel economy. As a result, vehicles equipped with ETCs achieve a perfect balance of power, efficiency, and reduced emissions. While ETCs are still relatively new and may entail higher costs, their potential to revolutionize turbocharging and meet the demands for sustainable high-performance driving is unparalleled. With ongoing advancements, the electric turbo compound holds great promise for the future of turbocharging technology.
The specifications of the 312779 turbocharger are as follows:
Model Number
The model number of the turbocharger is 312779.
Engine Code
The engine code for the 312779 turbocharger is N47.
OE Number
The 312779 turbocharger has several OE numbers. The OE numbers are 53039880148, 53039880149, 53039880150, 53039700148, 778600-5007S, and 778600-5008S.
Vehicle Brand
The vehicle brand that uses the 312779 turbocharger is BMW.
Warranty
The 312779 turbocharger has a warranty period of 12 months. The warranty applies if the turbocharger is used correctly as per the manufacturer's specifications.
Condition
The condition of the 312779 turbocharger is either new or refurbished. The refurbished turbocharger is checked and cleaned to ensure it works like new.
Engine Displacement
The engine displacement for the 312779 turbocharger is 1.6L. The 312779 turbocharger can be used on engines with a maximum displacement of 1.8L.
Superseded
The 312779 turbocharger has several superseded numbers. The superseded numbers are 54399880263, 54399880264, 54399880265, 54399880315, 54399880316, and 54399880317.
Compressor Wheel Diameter
The compressor wheel diameter is 42 mm, and it has a 6 blade design.
Turbine Wheel Diameter
The turbine wheel diameter is 41 mm.
Wastegate Type
The 312779 turbocharger uses a port wastegate type.
Oil Supply Type
The oil supply type for the 312779 turbocharger is the pressure type.
Cooling Method
The cooling method for the 312779 turbocharger is by using engine oil.
Some of the maintenance tips for the 312779 turbochargers are:
Regular Oil Changes
The engine oil lubricates the moving parts of the turbocharger. The engine oil should be changed regularly to ensure the turbocharger is well lubricated. When the turbocharger is well lubricated, it reduces the friction between the parts, preventing damage. The oil change interval is usually after every 5000 to 7500 kilometers.
Pre- and Post-Driving Procedures
Before starting the engine, the driver should run the engine on idle for several minutes. Idling the engine allows the turbo to get sufficient oil and allow it to spin. After driving, the vehicle should be driven on low speed for several minutes. Driving at low speed allows the turbo to cool down before turning it off.
Clean Air Filter
The air filter should be checked and cleaned or replaced every few thousand kilometers. A clean air filter ensures the air supply to the turbo is sufficient. The clean air also ensures proper performance of the turbocharger.
Use Quality Replacement Parts
Only quality replacement parts from reputable manufacturers should be used when changing parts of the turbocharger. Using quality replacement parts ensures the turbocharger maintains its performance.
Regular Inspection
The turbocharger should be regularly inspected for any signs of damage or wear. The inspection should be done at the same time as the vehicle's periodic maintenance. The earlier the wear is detected, the replacement can be done before the damage becomes serious.
Follow Manufacturer's Guidelines
The maintenance schedule and oil change intervals should be followed as per the manufacturer's manual. The maintenance schedule should be followed to ensure the turbocharger is in good condition.
When sourcing 312779 turbochargers, buyers should consider the following factors:
Application
Selecting a turbocharger designed for specific vehicles or compatible with the target applications is important. This ensures optimal performance and reliability.
Quality and Warranty
Stock and aftermarket turbochargers from reputable manufacturers offer reliability and durability. It is also important to consider the warranty and after-sales support when sourcing from suppliers.
Installation and Maintenance
Buyers should consider the ease of installation and maintenance requirements. Some turbos might need modifications for proper fitment and function. Additionally, selecting turbos that need minimal maintenance will be cost-effective in the long run.
Budget
Buyers should source turbochargers that offer the desired performance levels within the set budget. It is important to balance cost, quality, and performance to meet business needs.
Some common tools needed to replace the 312779 turbocharger include:
To replace the 312779 turbocharger, follow the steps below.
Prepare the vehicle
Park the 312779 turbocharged vehicle on a flat surface and engage the parking brakes. Disconnect the negative battery cable, and the vehicle will be ready for the turbo replacement.
Remove the intake and exhaust components
Use a socket set and wrench to remove the components connected to the turbocharger. Remove the exhaust manifold and downpipe, and use the socket set to remove the nuts and bolts. Disconnect the intake pipes, intercooler pipes, and vacuum lines from the turbocharger.
Drain the oil
Place an oil drain pan under the turbocharger and use the wrench set to remove the oil lines. Allow the oil to drain completely before proceeding to the next step.
Remove the old turbocharger
Disconnect the wastegate actuator and remove all nuts and bolts holding the turbo to the engine. Remove the oil supply and drain lines and the exhaust manifold gasket. Afterward, remove the old 312779 turbocharger from the engine.
Install the new turbocharger
Place the new 312779 turbocharger onto the engine and secure it with nuts and bolts. Reconnect the wastegate actuator, oil supply lines, and oil drain lines. Make sure to use a torque wrench to tighten the bolts and nuts to the manufacturer's specifications.
Reassemble and test
Reinstall the exhaust manifold and downpipe and reconnect the intake pipes, vacuum lines, and intercooler pipes. Reassemble all the components removed in previous steps and reconnect the negative battery cable. Start the engine and check for any oil or boost leaks. Allow the new turbo to break in before hitting the boost.
Q: How long does a 312779 turbo last?
A: Generally, the 312779 turbochargers last between 150,000 to 200,000 miles. However, the longevity of a 312779 turbocharger can be influenced by different factors. For instance, the driving habits and the turbocharger's quality can affect its lifespan.
Q: What causes turbo failure?
A: There are several factors that can cause turbo failure. Some of them include: wear and tear, improper lubrication, oil contamination, foreign materials, and over-speeding.
Q: Can users drive with a faulty turbo?
A: Yes, users can drive with a faulty turbo. However, they should be aware that it can damage other components of the exhaust and lead to costly repairs. Additionally, a faulty turbo can make the car sluggish, and it may not be able to pick up speed quickly.
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