Since 2011, BMW petrol and diesel engines have used the TwinPower Turbo technology, which is based on the twin-scroll idea. BMW’s breakthrough turbocharging technology also given the go-ahead for downsizing. Some of the previous 6-cylinder engines in the range were replaced with 4-cylinder ones that were improved in terms of economy, responsiveness, and pulling power owing to TwinPower Turbo.
The BMW TwinPower Turbo offers several advantages, including increased engine range variability, improved fuel economy, and lower CO2 emissions owing to an improved, efficient gas recirculation mechanism. To achieve optimum productivity, TwinPower Turbo works in tandem with High Precision Injection, Double VANOS variable camshaft management, and VALVETRONIC variable valve grip.
The first usage of BMW TwinPower Turbo occurred in 2011 when the manufacturer introduced the new BMW X1 xDrive28i version, which included a newly designed 4-cylinder petrol engine in place of the previous 3.0-litre, straight-six, normally aspirated powertrain.
Features:
- Twin-turbo technology makes use of two turbochargers that are arranged one next to the other.
- BMW TwinTurbo Power is powered by two turbochargers.
- TwinPower Turbo and TwinTurbo Power are not the same things, so don’t get them mixed up.
Isn’t it simple? It is, to some extent. BMW’s TwinPower Turbo technology includes a split intake turbine and a suitably constructed exhaust manifold. The latter component is critical because it assists in precisely pairing the cylinders to effectively control the flow of exhaust gas separately on one scroll.
benefits
- due to the balanced pairing of cylinders depending on a firing order, a suitable and faster boost response
- Constant recirculation of exhaust gases through the twin-scroll engine provides prolonged, uninterrupted power output at all engine speeds.
- increased the amount of pulse energy sent to the turbocharger wheel
- improvement in the turbocharging unit’s operating efficiency and life
- enhanced low-end power delivery, comparable to twin-turbo engines
- a significant improvement in minimising pumping losses
Many other items have been developed to improve the engine’s balance and smoothness of operation in order to reap the effectiveness of the BMW TwinPower Turbo. The vibration is properly compensated by the vertically offset balance shafts, while the centrifugal force pendulum incorporated in the dual-mass flywheel prevents any irregular engine rotations that are common at low rpm.
Useful links
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