why petrol engine is called si engine?
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Because the combustion process of fuel starts by a spark from spark plug whereas in compression engine spark plug is not used to start the combustion process. ... That's why petrol engines are called spark ignition or si engines.
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The reason why you'll find yourself at the petrol station more frequently in an SUV over other vehicles comes down to physics. Crossover models tend to be larger and heavier than their equivalent hatchback or estate, meaning engines need to deliver more power to compensate for the greater wind resistance and mass.
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In the powertrain department, the BMW X6 gets 335 bhp Petrol engine, whereas the BMW X4 comes in 252 bhp Petrol engine and 2 Diesel 190, 265 bhp engines.
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That's why nearly every BMW owner's manual will recommend to use “BMW synthetic” oil. That means not only is synthetic oil ideal over conventional, but BMW specifically designs a synthetic oil to maximize the efficiency of their vehicles.
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Compare Engine In the powertrain department, the BMW 5 Series gets 248 bhp Petrol engine and 2 Diesel 187, 261 bhp engines, whereas the BMW M5 comes in 2 Petrol 616, 592 bhp engines.
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FSI/TFSI principle. At Audi, FSI stands for gasoline direct injection, a technology in which fuel is injected directly into the combustion chambers, rather than into the intake manifold in the traditional manner.
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The cylinder is the power unit of the engine. This is where fuel is burned and converted into mechanical energy that powers the vehicle. The number of cylinders in a typical car could be four, six or eight. ... It contains a piston that moves up and down, compressing the fuel, which ignites and causes combustion.
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The SDI engine is generally utilised in applications where reliability and fuel economy are of primary concern. These engines lack any type of forced induction, hence the use of 'suction' in the title, and as such, their power output is lower when compared with a similar displacement turbocharged engine.
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Petrol is a type of fuel known as gasoline - abbreviated to "gas" in countries such as America. ... "Fuel" is just a general term for any substance that can be utilized for energy. Gas/Petrol (gasoline) is just one type of fuel. It's like this... all gasoline is fuel, but not all fuel is gasoline.
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There are synthetics specially meant for diesel engines and the best fuel for your car is one that's compatible with your engine. Both gasoline and diesel engines have the same base oils while different additives change its properties. So the difference between the two lies in the number of additives used in it.
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Petrol and gasoline are two names for the same refined oil product that it commonly used to power internal combustion engines. The Americans named petrol, gasoline or gas for short because they found that if you eat/drink it, it gives you digestive gas. ... Petrol in American English is "Gasoline".
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The 6 comes with two engine choices, the 2.3-I4 and 3.0-V6. Models with the I4 engine are referred to as "i" models, whereas those that have the V6 engine are referred to as "s" models. That's it, and if this is all you know about "i" vs.
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The Mini under BMW ownership comes with BMW developed engines. Not engines that powered current BMWs at the time. This is because BMW engines were designed for rear wheel drive configuration. The Mini was front wheel drive so BMW along with the French PSA group developed the 1.6 litre Prince engine.
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They are not going to be hauling trailers around, and since gasoline is far better when it comes to making horsepower, and horsepower is what dictates how fast a car will go after the initial acceleration, it only seems logical that petrol engines are used in supercars instead of diesel, although there are a couple ...
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First, diesel engines are more fuel efficient, much more fuel efficient. ... Diesel engines especially pollute less than gasoline engines that require “premium” gas. Europeans drive cars with diesel-powered engines because they are cleaner, more efficient, and have greater longevity than gasoline engines.
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Fuel economy is certainly much better with a diesel engine, which is the prime reason for their popularity in Europe. A diesel engine will also last much longer than its gasoline counterpart. ... Properly maintained, most mechanics agree you can expect to keep a diesel vehicle on the road for a solid 30 years.
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Most of BMW's new petrol engines are equipped with a turbocharger, which puts it on a level playing field with diesels. However, many people prefer a non-turbo petrol engine as it's one less thing to fail. The majority of BMW's pre-2011 petrol cars are naturally aspirated.