Omega B · 2001–2003
The Opel Omega 2.5 DTI of the Omega B generation uses the M57D25 2.5 diesel engine with 150 hp.
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
150 hp (110 kW), rear-wheel drive, 4-speed automatic. Built from 2001 to 2003.
AutoKarnet advice
It is the only diesel version of this generation.
AutoKarnet advice
Typical interval: 30,000 km or 12 months, whichever comes first.
30 000 km
12 months
GM-LL-A/B-025 / dexos2 / dexos1 Gen 2 ; PSA B71 2290 / B71 2312 / FPW9.55535/03 — Engine, model year and severe use may require a shorter interval; do not exceed the service warning. The listed oil approvals are not interchangeable: check the one for the engine.
Source [1]Brake fluid: generally replaced every 2 years; inspect the brakes at each service.
24 months
Brake fluid: generally replaced every 2 years; inspect the brakes at each service.
Source [1]The M57D25 2.5 diesel engine (2 497 cc), 150 hp (110 kW).
AutoKarnet advice
A GM-LL-A/B-025 / dexos2 / dexos1 Gen 2 ; PSA B71 2290 / B71 2312 / FPW9.55535/03-approved oil suited to the M57D25 2.5 engine.
AutoKarnet advice
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026