The B20 engine is one of the most common BMW engines. It was created by BMW before substantial tuning was needed to increase power. Many enthusiasts have been able to modify their B20 engines for more power, but there are several things that need to be considered when upgrading this engine.
The B20 engine is a 2L, 20 valve, turbo, intercooled engine with the following specifications:
- 2L engine
- 20 valves
- Turbocharged/Intercooled
- Other specifications
Engine Configuration
The B20 engine was created by BMW in the late 1980s before substantial tuning was needed to increase power. It's a 2-liter, 20 valve, turbo, intercooled engine that uses a chain-driven camshaft and has an inline four cylinder layout. This means that it has 4 cylinders arranged in an upright position (one above the other) with all four pistons moving up and down at the same time when they’re activated by combustion.
The original BMW M3's B20 engine featured double VANOS variable timing on both intake and exhaust valves for better responsiveness and efficiency across a wide range of revs. The camshafts were roller followers instead of conventional lobes because this design offers higher stiffness which allows faster valve operation without sacrificing life expectancy or reducing durability under high loads such as fuel pressure spikes during cold starts up after being shut off overnight while still allowing more efficient performance over standard solid ground gears due to their ability to hold tight tolerances without slipping under load like traditional designs do which leads us down another path entirely:
Installations
The B20 engine was installed in the E30 M3, E36 M3 and E46 M3. The engine is a 2.0L straight-six that has a displacement of 121 cubic inches (1998 cc). It was designed by BMW Motorsport and manufactured at the Dingolfing plant.
The B20 has a cast iron block and aluminum head with four valves per cylinder, double overhead camshafts, Bosch Motronic 4.2 injection system with sequential fuel injection and forged steel crankshaft which makes it one of the most powerful naturally aspirated engines ever produced by BMW.
The engine produces 240 hp (177 kW) at 6300 rpm and 236 lb ft (319 Nm) at 4000 rpm with specific outputs reaching 45 hp per litre due to its high compression ratio of 12:1.
Compression Ratio
The compression ratio is the amount of air that can be compressed in a cylinder. The more air that can be compressed, the more power the engine can produce.
The B20 engine has a compression ratio of 9.5:1
Block
The block, also known as the engine block, is the aluminum part of your vehicle's engine that houses all of its internal components. As you might guess from its name, it's essential to the functioning of your B20. It was cast during assembly and then machined for precision before being bolted onto your car or truck's chassis.
The block takes up most of an engine bay and is one of two main parts (the other being the head). These two components are what make up an internal combustion engine; they use pistons to compress air and fuel into a combustion chamber. This process generates heat that drives pistons back out again while also producing power by creating motion necessary for driving wheels and other machinery powered by diesel or gasoline engines like yours!
Crankcase
The crankcase is the housing for the crankshaft and can be made of cast iron or aluminum. It is bolted to the cylinder head, which is where the pistons are located. The crankcase also houses an oil pump that supplies engine oil to all parts of your engine, including each cylinder's piston ring and bearing surfaces
Cylinder Head
The cylinder head is made of aluminum and has 4 valves per cylinder. Each valve has 2 spark plugs, which means the engine has a total of 40 cylinders. The B20 engine also uses 2 fuel injectors per cylinder, making it a very fuel efficient vehicle.
But what makes this engine so great? Well, one thing that makes it stand out from other engines is its turbocharger. A turbocharger allows an engine to have more power than it would normally be able to produce at low RPMs (revolutions per minute) by forcing air into either side of the combustion chamber during those low RPMs when there isn't enough oxygen available in order to create more power per stroke instead of just wasting time waiting for more oxygen before each stroke begins again like other engines do."
Cams
Cams are responsible for opening and closing valves. They feature lobes that move the valves up and down, which allows a cylinder to fill with air and fuel before compression takes place. The camshafts themselves are driven by the timing belt; this ensures all cams remain synchronized in their rotation.
Cams are located in the cylinder head and are made from aluminum alloy or cast iron depending on engine type.
Pistons / Connecting rods
Pistons
The pistons are designed using aluminum alloy for the piston and steel for the wrist pin. The piston has an integrated oil control ring and a fully floating wrist pin. This helps to improve engine efficiency, reduce friction between moving parts and increase durability. The connecting rod is made from forged steel with a titanium alloy cap at both ends to reduce weight without sacrificing strength or reliability.
Oil Pump
The oil pump is an integral part of the engine, which circulates oil throughout the engine. The oil pump is driven by the crankshaft and located at the bottom of the engine block.
Fuel System and Ignition System
- Fuel System
The fuel system is a Bosch high pressure fuel pump. It also has an engine-driven electric oil pump and a Bosch auxiliary electric oil pump, but these are less important than the main pump. The auxiliary pumps can be used to provide additional lubrication to components that need it if necessary.
- Ignition System
The ignition system is a Bosch spark plug, which is called "platinum+4" by BMW and has 4 platinum electrodes (3 for firing, 1 for ground). The ignition timing is controlled by a Bosch ignition control unit (ICU), which uses signals from various sensors such as camshaft position sensors and crankshaft position sensors to determine when it should fire each cylinder so that combustion occurs at exactly the right time with maximum efficiency
The B20 engine was created by BMW before substantial tuning was needed to increase power.
The B20 engine was originally a BMW creation. As you could imagine, the company needed to make some substantial changes before they were able to sell their engine to other companies and make money off of it. They increased the compression ratio, which means they made the cylinder walls thicker so that when you squeezed down on them by pressing your foot on the gas pedal, more fuel would be pushed into them. This increased power output as well as efficiency because it gave you better gas mileage with each tank full of gas.
BMW also increased turbo boost in order to increase power output in their engine models so that people could drive faster without having to replace their car's entire engine with another one!
Conclusion
We hope this article has helped you understand the B20 engine's specifications, and we wish you luck in your search for one.
learn more: https://www.b20engine.net/
