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General| Engine Type | Inline-4 |
|---|---|
| Fuel Type | Petrol |
| Fuel Injection | Direct injection |
| Compression Ratio | 10.5:1 |
| Engine Block Material | Aluminum |
| Cylinder Head Material | Aluminum |
| Displacement | 1598 cc |
| Valvetrain | DOHC |
| Bore x Stroke | 77.0 mm x 85.8 mm |
| Redline | 6, 500 rpm |
| Engine Management | Bosch MEVD17.2 |
| Power Output | 134-170 HP |
| Torque Output | 220-250 Nm |
Explains the crankshaft, its bearings, connecting rod, and piston with piston rings.
Covers the camshaft drive, valve gear design, Valvetronic system, and VANOS.
Details the map-controlled oil pump, its operation, and the pressure control mechanism.
Explains the pressure-limiting valve (cold-start valve) and its function for component protection.
Describes the exhaust turbocharger with TwinScroll technology, its components, and connections.
Details the Bosch high-pressure pump and the HDEV5.1 solenoid valve injectors.
Identifies the Bosch DME (MEVD17.2.4) and its relation to the N55 engine, with operational details.
Explains the DME's role as the computing centre, processing sensor signals to activate actuators.
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