Test drive new BMW engine family
BMW brings 3-cylinder for 1, 3 and mini
New engine generation: This is how BMW’s first 3-cylinder sounds
New BMW engine family: Take three
From 2014, BMW will use a completely new row of row engines. Shocking for hard core fans: The first units are charged petrol engines and diesel with only three cylinders. However, the first test drive shows that the taboo break is worthwhile.
Fritz Steinparzer is proud: “BMW, that is ultimately for Bavarian engines works. If you have forgotten this, we prove it with this unit, ”says the head of the Development Department Development Ottomotors. The aggregate contributes a background noise that sounds like sheer strength. And that’s not a matter of course.
Three cylinders in the 1 Series – and later also in the 3 Series
Because Steinparzer stands in front of a red one in which the most important prototype of the engine manufacturer works-and a premiere: a three-cylinder petrol engine. And that at BMW. After all, the group headquarters lives in a building called four -cylinder and the brand actually stands primarily for the double cylinder number.
Even the extensive displacement of the 6-cylinder from large parts of the model range indignated with a lot of friends of the white-blue propeller. In Paris comes with the Active Tourer there is also a study by the first BMWS that should roll into the series with front -wheel drive. And now three cylinders.
That sounded like small cars recently, somewhere between limp and rapping. In the meantime, such engines are working again with some manufacturers. A successful aggregate presented Ford. The Cologne residents are already using it in the compact class-and it is excellent, as the site practical test shows.
Nevertheless: Ford does not have the right to the sporting manager to the premium middle class. BMW’s three -cylinder is said to do exactly that. In the prototype as a 1.5-liter petrol engine, it therefore has a whopping 180 hp, in his debut in the i8 (2014) as part of the hybrid drive there will be significantly more: there is talk of a good 220 hp.
Steinparzer is certain that "even in almost all vehicles of classic combustion engine in twenty years" – either alone or as a partner of the electric drive in a hybrid. And the three-cylinder is to be the forefather of a completely new row of rows engine of petrol engines and diesels at BMW. He always has what it takes from the paper form: The test engine packs a torque of 270 Newton meters to its approximately 180 hp thanks to the turbocharging, which should be available very early. The diesel versions will take over 300 Newton meters, even if a little less power.
Convincing first test drive
Applause for the little racer is attached to the Furstenfeldbruck airfield after a brisk drive over a defined course. The threesome enthusiastic in combination with the eight -speed automatic: jagged response, through the start, from the start, loyal performance, performance, sporty sound. The sound even reminds of the in -house six -cylinder than the four -cylinder. Only when the stand is lacking in the timbre some lifting volume and at medium speeds, especially in places, something of the 3-cylinder sound breaks through, as it results from the characteristic ignition sequence and the few cylinders.
With less displacement, such as Ford, the engine would have fewer vibrations – the three -cylinder in the prototype shakes a little more than an ecoboost in the site in the stand. But that’s how it sounds more robust. "Very close to the six -cylinder," Steinparzer even believes. He proudly points out that there are no acoustic tricks as they use some competitors.
Always 500 cubic per cylinder
Why actually three cylinders? Steinparzer and its men have identified 0.5 liters per cylinder as thermodynamically optimally and the lifting volume is primarily determined by the performance requirement in the specification. BMW per cylinder expects 30 to 50 kilowatts per cylinder-and the 3-cylinder is calculated. By the way, even larger cylinders would be more economical – but acoustically difficult and actually also quite lame. In the test car, the engine prototype is already calm and confident.
The three -cylinder – sometimes two – will also be the basis of the next six -cylinder, which will be launched in 2016. There will also be a four -cylinder with a logically two liter displacement, like the three -cylinder it will start as a petrol engine and diesel from 2014. The new aggregates differ constructively primarily by a new one -piece crank shine and now always behind (or. On the side side).
In the mini, one and three, the 1.5-liter three-cylinder will be the standard in the future, in most hybrid engines the usual helper for the electrical unit. In the five, seven or the SUVs, it will be more likely to result in the four and six cylinders of the same generation of engines. And of course the V8 engines remain in the program. The V-engines should form their own engine family. According to the BMW, it is not yet clear whether the new row engines will also be installed in existing models, but in view of the increasingly tightening CO2 requirements. After all, the Munich team made a 25 percent reduction in fleet consumption by 2020.
Enormous savings potential
By the way, up to 40 percent of all components are the same in the entire family of engine, and almost all diesel and petrol engines can roll from the same band – depending on the demand, the production can be adjusted quickly. The installation conditions of all engines are also similar, all junctions – for example for the transmission – absolutely identical. This makes production and maintenance easier. The engine can work across or along, front or in the rear. Important for use in the mini, threesome or as a hybrid helper, for example in future five.
The technical accessories of the new row engines follow the BMW architecture. So it remains with the so-called Twinpower turbos. In the case of ottomotors, BMW understands the combination of direct injection, fully variable valve control and turbo. With diesel it is the variable loader geometry, common rail injection and up to three turbos per engine. In the three -cylinder it will be at most two.
Incidentally, Steinparzer considers the efficiency to increase and close the valves through variables. "This has much higher potential because the competitors can only switch on or off a cylinder," says the developer. In addition, the switched off the cylinders continue to run empty. BMW, on the other hand, could, depending on the demand, to be the performance that comes from the individual pots like a light bulb – and thus ensure the optimal efficiency in each cylinder under each condition. All the more important if only three of them are on board.
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3 thoughts on “Test drive New BMW engine family: BMW brings 3-cylinder for 1 Series, 3 and Mini”
I’m curious to see how far downsizing goes
How long should these sewing machine engines hold? I’m waiting for the 0.5 liter V8 … Four turbochargers and 800 hp. It is already disassembled, if you only think of driving.
Makes with regard to the hybrids…
…already sense. However, without hybrids I wouldn’t like to have a three -cylinder.
If the salary is not enough, I also recommend a great 3 cylinder. And when it comes to increasing efficiency, you have to expect VAT against petrol savings when purchasing a new car.