2021 BMW X3 — Maintenance Guide
Complete maintenance schedule, recommended fluids, parts and estimated costs.
Recommended Fluids
Engine Oil
0W-30
7.0L
Maintenance Schedule
| Service | Action | Interval | Condition |
|---|---|---|---|
| Cabin Replace Air Filter | replace | 24 140 km | normal |
| Change Oil and Filter | replace | 24 140 km | normal |
| Lubricate Trunk | inspect | 48 280 km | normal |
| Oxygen Sensor Replacement | replace | 193 121 km | normal |
| Replace Air Filter | replace | 96 560 km | normal |
| Service Battery/cables | inspect | 48 280 km | normal |
| Spark Plugs Replacement | replace | 160 934 km | normal |
| Transfer Case Fluid Replacement | replace | 48 280 km | normal |
| Transmission Fluid Service | inspect | 160 934 km | normal |
Fuse Diagram (7)
| Box | # | A | Circuit |
|---|---|---|---|
| Body Control Module BCM Fuse Relay Box | 2 | — | Lock relay, unlock relay (doors, fuel filler cap) |
| Driver side fuse box | 102 | — | Electronics of electrical machines |
| Driver side fuse box | 107 | 10A | Hybrid |
| Driver side fuse box | 109 | — | Auxiliary electric heater, front midrange speaker lighting |
| Passenger compartment Fuse Panel | 21 | 30A | Front passenger window with control electronics |
| Passenger compartment Fuse Panel | 23 | 30A | Passenger side rear power window with control electronics |
| Passenger compartment Fuse Panel | 25 | 20A | Roof function center |