Engine oil — petrol
CBS: baseline 25,000 km / 24 months
Calculation baseline, not a fixed mileage interval. Use the vehicle’s calculated service due date and distance. Documented maximum age: 24 months.
Source [4]E87 · 2004–2007
BMW 120i E87 · 150 PS (2004–2007)
The 150 PS 120i was the most powerful four-cylinder petrol at launch. When planning servicing, distinguish this configuration from the later facelift 120i.
Choose an engine
Identify the car and prepare its maintenanceTechnical specifications
- Fuel
- Petrol
- Power
- 150 PS / 110 kW
- Displacement
- 1 995 cm³
- Torque
- 200 Nm
- Cylinders
- 4
- Period covered
- 2004–2007
- Documented market
- Europe
Transmission
- Manual · 6 speeds · 2004
- Automatic · 6 speeds · 2004
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] BMW Group
What distinguishes this version
Its 1,995 cc four-cylinder engine develops 200 Nm.
Source : [1]
Documented oil quantity
BMW’s June 2004 specification table lists 4.25 l for the 120i. Check the level after servicing; this figure does not justify exceeding the vehicle’s maximum mark.
Source : [7]
Oil approval
The 2005 bulletin permits Longlife-04 for petrol engines in the EU, Switzerland, Norway and Liechtenstein, excluding use elsewhere. Confirm the vehicle’s market.
Source : [6]
Maintenance and records
Front and rear brake pads
Wear monitored separately by axle
CBS calculates separate due distances. Inspect brake condition before ordering replacement parts.
Source [8]Cabin microfilter
CBS tracking before March 2007
24 months
The pre-facelift system calculates this separately. Do not automatically apply the later oil-service grouping. The bulletin sets a 24-month maximum.
Source [9]Engine air filter
Every 3 engine oil services
Count completed oil services. Shorten the interval in dusty conditions.
Source [10]Brake fluid
Fixed interval — before March 2007
24 months
A calendar interval, including low-mileage cars. Keep the date of the last service.
Source [5]Vehicle check
Whichever comes first
50 000 km
48 months
Separate from an oil service. Use the date and distance recorded in the vehicle’s service history.
Source [5]Spark plugs
Fixed interval — before March 2007
100 000 km
The bulletin separates these petrol engines from the 1.6-litre. This interval predates the March 2007 grouping with oil services.
Source [5]Questions about this version
Is matching viscosity enough for this 120i?
Check approval and market as well. The cited BMW bulletin limits petrol-engine use of Longlife-04 to the EU, Switzerland, Norway and Liechtenstein.
Source : [6]
Documentary sources
- [1] BMW Série 1 — lancement 2004
BMW Group · ES · Europe · Technical data · Accessed 08/10/2026
- [2] BMW AG TIS — CBS E87, bulletin 00 01 04 (070)
BMW AG (TIS, copie archivée) · EN · Worldwide · Archive · p. 1 · update 11/2006 · Accessed 08/10/2026
- [3] BMW AG TIS — affichage et lecture du CBS
BMW AG (TIS, copie archivée) · EN · Worldwide · Archive · p. 2 · Accessed 08/10/2026
- [4] BMW AG TIS — CBS, valeurs de départ EURO
BMW AG (TIS, copie archivée) · EN · Europe · Archive · p. 4 · starting values, not fixed mileage intervals · Accessed 08/10/2026
- [5] BMW TIS — CBS: spark plugs, vehicle check, brake fluid
BMW AG — TIS (archive) · EN · Europe · SBT CBS · p. 5 · EURO · before 03/2007 · Accessed 08/10/2026
- [6] BMW TIS — BMW Quality Longlife-04
BMW AG — TIS (archive) · EN · Europe · SI 11 03 04 (156) · revision 09/2005 · Accessed 08/10/2026
- [7] BMW Media Information — 1 Series specifications, 06/2004
BMW Group · EN · Europe · PDF pp. 48–49 · European specifications, English tables · Accessed 08/10/2026
- [8] BMW AG TIS — calcul huile, microfiltre et freins
BMW AG (TIS, copie archivée) · EN · Worldwide · Archive · p. 3 · Accessed 08/10/2026
- [9] BMW TIS — CBS: microfilter and brake wear
BMW AG — TIS (archive) · EN · Europe · SBT CBS · p. 6 · before 03/2007 · Accessed 08/10/2026
- [10] BMW TIS — Oil service, petrol up to 02/2007
BMW AG — TIS (archive) · EN · Europe · RA 00 00 610 · scope is stated in the bulletin, not the archive navigation · Accessed 08/10/2026