BMW Z4 E85/E86 2.5i
2002–2008 · Coupe · Roadster · Sedan
Chassis codes: E85 · E86
Version
Engine
2.5L 6-cyl · Petrol
Power
222 HP
Torque
245 Nm
Transmission
MANUAL
Drive
RWD
0-100 km/h
7 sec
Top Speed
235 km/h
Fuel consumption
8.9 L/100km
Body
Sedan
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Model overview
A model overview is not available for this generation yet.
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Engine overview · 2.5L 6-cyl PETROL
A smooth, durable naturally aspirated six-cylinder engine, with age-related cooling, sealing and intake-system maintenance more important than its basic mechanical design.
Pros
- Smooth six-cylinder power delivery.
- Generally durable engine core.
- Strong servicing knowledge and parts availability.
Cons
- Cooling-system plastics age over time.
- Oil leaks can appear on older engines.
- Some intake and ventilation components need condition-based attention.
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Age-related cooling-system componentsHigh
- Oil leaks from ageing seals and gasketsMedium
- Crankcase-ventilation system deteriorationMedium
- DISA intake-valve and variable-valve-timing wearMedium
Maintenance
Use the VIN-specific service schedule and approved lubricant specification; account for time, usage and engine condition when planning servicing.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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