Oil and filter change
Per CBS, at the latest 24 months
24 months
Due date calculated by the car from use. BMW Longlife-approved oil suited to the engine.
Source [1]E85/E86 · 2002–2005
BMW Z4 2.5i E85/E86 · 192 hp (2002 to 2005)
The BMW Z4 2.5i of the E85/E86 generation uses the M54B25 petrol engine with 192 hp.
Choose an engine
Identify the car and prepare its maintenanceTechnical specifications
- Fuel
- Petrol
- Power
- 192 PS / 141 kW
- Displacement
- 2 494 cm³
- Cylinders
- 6
- Engine code
- M54B25
- Period covered
- 2002–2005
- Documented market
- Europe
Transmission
- Manual · 5 speeds
- Automatic · 5 speeds
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
This version
192 hp (141 kW), rear-wheel drive, 5-speed manual or 5-speed automatic. Built from 2002 to 2005.
AutoKarnet advice
In the range
It sits between the 2.5i (177 hp) and the 2.5si (218 hp). The M54B25 engine is also fitted to: BMW X3 (E83).
AutoKarnet advice
Maintenance and records
Pads and discs
Per wear sensors
Front and rear tracked separately by CBS.
Source [1]Brake fluid
Every 24 months
24 months
Time-based replacement, whatever the mileage.
Source [1]Questions about this version (2)
Which engine is in the BMW Z4 2.5i E85/E86?
The M54B25 petrol engine (2 494 cc), 192 hp (141 kW).
AutoKarnet advice
Which oil for the BMW Z4 2.5i?
A BMW Longlife-approved oil suited to the M54B25 engine.
AutoKarnet advice
Documentary sources
- [1] Rédaction AutoKarnet
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026