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BMW Z4 E85 LCI, facelift 2006 2.5i (177 Hp) Steptronic
Overall Rating
BMW Z4:
The first generation of the BMW Z4 consists of the BMW E85 and BMW E86 sports cars. The E85/E86 generation was produced from 2002 to 2008. The E85/E86 replaced the Z3 and is the third model in the BMW Z Series. Initial models were in the roadster body style, with the coupé body style being added in 2006. In February 2009, the BMW Z4 began production as the successor to the E85/E86.
As was its Z3 predecessor, the E85/E86 was manufactured in Greer, South Carolina. The M model, the Z4 M, is powered by the S54 straight-six engine....(Read more on Wikipedia)
E85 LCI, facelift 2006 Overview:
BMW Z4 (E85 LCI, facelift 2006). With 230 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~12 l/100km). Weighing only 1275 kg, it’s quite light. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is good (0–100 km/h in 7.5 s). The top speed reaches 225 km/h. A two-seater convertible designed for open-top driving pleasure. Seating for 2 makes it ideal for daily use.
2.5i (177 Hp) Steptronic Verdict:
Performance Verdict
Adequate power for daily driving and relaxed cruising, but the Steptronic automatic transmission slightly dulls the sporty edge compared to manual variants.
Fuel Economy
Reasonable fuel economy for a six-cylinder roadster, slightly better than the more powerful engines, making it a practical choice.
Pros and Cons:
Pros:
- • Engaging driving dynamics and precise steering, typical of BMW roadsters.
- • Iconic BMW straight-six engines (excluding 2.0i) with great sound and character.
- • Timeless roadster styling, especially after the LCI facelift, maintaining strong appeal.
- • Excellent build quality and premium interior materials for its class.
- • Strong performance options, particularly the 3.0si and M models, offering thrilling drives.
Cons:
- • Firm ride can be uncomfortable on rough roads, reflecting its sporty tuning.
- • Limited practicality with only two seats and modest trunk space.
- • Potential for common BMW maintenance issues as the car ages, requiring careful upkeep.
- • Some engines can be thirsty, especially the M variant, impacting running costs.
- • Visibility with the roof up can be restricted, a common roadster compromise.
Specifications:
Specifications are compared to those of the previous generation(E85: 2003 - 2006).
| General: | |
|---|---|
| Brand: | BMW |
| Model: | Z4 |
| Generation: | E85 LCI, facelift 2006 |
| Modification (Engine): | 2.5i (177 Hp) Steptronic |
| Start of production: | 2006 |
| End of production: | 2008 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Roadster |
| Seats: | 2 |
| Doors: | 2 |
| Engine: | |
|---|---|
| Power: | 177 Hp @ 5800 rpm. Same horsepower |
| Power per litre: | 70.9 Hp/l [Same length.] |
| Torque: | 230 Nm @ 3500-5000 rpm. |
| Engine Model/Code: | N52B25A More details about the engine N52B25A |
| Engine displacement: | 2497 |
| Number of cylinders: | 6 |
| Engine configuration: | Inline |
| Number of valves per cylinder: | 4 |
| Fuel injection system: | Multi-port manifold injection |
| Engine aspiration: | Naturally aspirated engine |
| Valvetrain: | DOHC |
| Engine oil capacity: | 6.5 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 82 mm |
| Piston Stroke: | 78.8 mm |
| Compression ratio: | 11:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 12 l/100 km |
| Fuel consumption (economy) - extra urban: | 6.3 l/100 km |
| Fuel consumption (economy) - combined: | 8.4 l/100 km |
| Emission standard: | Euro 4 |
| Acceleration 0 - 100 km/h: | 7.5 sec |
| Acceleration 0 - 62 mph: | 7.5 sec |
| Maximum speed: | 225 km/h |
| Weight-to-power ratio: | 7.2 kg/Hp, 138.8 Hp/tonne |
| Weight-to-torque ratio: | 5.5 kg/Nm, 180.4 Nm/tonne |
| Acceleration 0 - 60 mph: | 7.1 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1275 |
| Max. weight: | 1570 |
| Max load: | 295 |
| Trunk (boot) space - maximum: | 260 l |
| Trunk (boot) space - minimum: | 240 l |
| Fuel tank capacity: | 55 l |
| Size: | |
|---|---|
| Length: | 4091 mm [Same length.] |
| Width: | 1781 mm [Same width.] |
| Height: | 1299 mm [Same height.] |
| Wheelbase: | 2495 mm [Same wheelbase.] |
| Front track: | 1473 mm |
| Rear (Back) track: | 1523 mm |
| Minimum turning circle (turning diameter): | 9.8 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 6 |
| Transmission type | Automatic |
| Front brakes | Disc [above average] |
| Rear brakes | Disc [above average] |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 225/50 R16 |
| Wheel rims size | 7J x 16 |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Coil spring |
Fuel, speed, and comfort: How does the BMW Z4 rank in your book?