BMW Z4 2003 Roadster 2.0i
BMW Z4 2003 2.0 petrol description
Cabrio BMW Z4 2003 Roadster 2.0i has been produced from April, 2005 to March, 2006. It has four-cylinder petrol engine with displacement of 2.0 litres, which produces power of 150 horsepower on 6200 rpm and torque 200 Nm (Newton metres) on 3600 revolutions per minute.
This 4-cylinder 16-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system, it has no turbine. Engine versions compliant with Euro 4 and Euro 5 emission standards available. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 270 000 and 450 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs
This BMW Z4 2.0 engine oil type is 5W-30 and oil capacity is 4.25 litres.
BMW Z4 2003 Roadster 2.0i has classical rear wheel drive (RWD) and manual gearbox with 5 gears.
BMW Z4 2003 Roadster 2.0i accelerates to speed 100 kilometres per hour in 8.2 seconds. The maximum speed of this car is 220 km/h.
In combined cycle (city and motorway), the BMW Z4 2003 Roadster 2.0i fuel consumption is 7.5 litres per 100km (13.3 km/l) - this is the most fuel efficient BMW Z4 2003 - 2006 version. Fuel tank capacity is 55 litres or 14.53 gallons, which gives a mileage up to 720 kilometers without refueling in urban cycle.
According to user reviews, the real everyday fuel consumption of this BMW is in line with the figure specified by the manufacturer. More - Real BMW Z4 fuel consumption.
BMW Z4 safety
During safety testing BMW Z4 has obtained 4 stars from five, which means good safety level.
Adults (driver and passenger) safety of BMW Z4 is evaluated with four stars, and for pedestrian protection BMW Z4 got two stars.

BMW Z4 2003 Roadster 2.0i technical data
Model: | BMW Z4 Roadster 2.0i | ||
---|---|---|---|
Body style: | Cabrio | ||
Production period: | 2005. April ... 2006. March | ||
Engine: | 2000 cm3 Petrol, 4 cylinders | CO2 emissions: | 181 g/km |
Power: | 150 HP ON 6200 RPM | Torque: | 200 NM ON 3600 RPM |
Gearbox: | Manual gearbox (5 gears) | Drive type: | Rear wheel drive (RWD) |
Top speed: | 220 km/h | Acceleration 0-100 km/h: | 8.2 seconds |
Fuel consumption (l/100km): | 7.5 (combined) | ||
Real fuel consumption: | 7.4 l/100km (31.8 MPG) by user reviews from various sources | ||
Fuel tank capacity: | 55 litres (14.5 gallons) | ||
Car dimensions: | 4.09m (length) 1.78m (width) 1.30m (height) | ||
Turning diameter: | 9.8 meters | ||
Trunk capacity: | 240 litres |
BMW Z4 2003 Roadster 2.0i engine N46B20
Engine reliability:
Overall, this engine can last around 270,000 to 450,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement | 1995 cm3 |
---|---|
Number of cylinders | 4 |
Bore (cylinder diameter) | 84 mm |
Stroke length (piston move) | 90 mm |
Compression ratio | 10.5 : 1 |
Camshaft drive | Timing chain Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more. |
Fuel system | Injection |
BMW Z4 2003 Roadster 2.0i oil type | 5W-30 |
Oil capacity | 4.25 litres (4.5 quarts) |
Power | 129 - 150 HP ON 6200 RPM |
Torque | 180 - 200 NM ON 3600 RPM |
Start of production (year) | 2004 |
Duration of production | 11 years |
Engine also used on | BMW 3 sērija BMW 1 sērija BMW X3 BMW X1 |
Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design. |
Most often compared to
All BMW Z4 cabrio [2003 - 2006] modifications
Modification | Engine | Power | Consumption | Gearbox |
---|---|---|---|---|
BMW Z4 2005 Roadster 2.0i
Apr 2005 — Mar 2006 Most fuel efficient version |
2.0 Petrol | 150 HP | 7.5 l/100km | Manual (5) |
BMW Z4 2003 Roadster 2.2i Sep 2003 — Mar 2006 | 2.2 Petrol | 170 HP | 8.8 l/100km | Manual (5) |
BMW Z4 2003 Roadster 2.2i Sep 2003 — Mar 2006 | 2.2 Petrol | 170 HP | 9.3 l/100km | Automatic (5) |
BMW Z4 2003 Roadster 2.5i | 2.5 Petrol | 192 HP | 8.9 l/100km | Manual (5) |
BMW Z4 2003 Roadster 2.5i | 2.5 Petrol | 192 HP | 9.5 l/100km | Automatic (5) |
BMW Z4 2003 Roadster 3.0i
Most dynamic version - 100 km/h in 5.9 seconds |
3.0 Petrol | 231 HP | 9.1 l/100km | Manual (6) |
BMW Z4 2003 Roadster 3.0i
Most powerfull version (231 HP) |
3.0 Petrol | 231 HP | 9.5 l/100km | Automatic (5) |