Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2005325XI SEDAN AWD (E46) L6-2.5L (M56)PARTS AND LABORPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORPARTS INFORMATION
2005 BMW 325xi Sedan AWD (E46) L6-2.5L (M56)
Parts Information
2005 BMW 325xi Sedan AWD (E46) L6-2.5L (M56)SECTION Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Oxygen Sensor | ||||
| M3 | ||||
| 750 mm | BMW | 11781405324 | 246.76 | |
| 840 mm | BMW | 11781743994 | 246.76 | |
| 935 mm | BMW | 11781406622 | 246.76 | |
| 1075 mm | BMW | 11781406621 | 246.76 | |
| 323 & 325i, Ci, It | ||||
| Regulating Probe | ||||
| Without SULEV | ||||
| Cylinders 1 Thru 3 | BMW | 11787523434 | 274.18 | |
| Cylinders 4 Thru 6 | BMW | 11787523435 | 274.18 | |
| With SULEV | ||||
| Cylinders 1 Thru 3 | BMW | 11787515826 | 274.18 | |
| Cylinders 4 Thru 6 | BMW | 11787515827 | 274.18 | |
| Monitoring Probe | ||||
| Cylinders 1 Thru 3 | BMW | 11787514926 | 246.76 | |
| Cylinders 4 Thru 6 | BMW | 11787514927 | 246.76 | |
| 325xi | ||||
| Regulating Probe | BMW | 11781742050 | 246.76 | |
| Monitoring Probe | BMW | 11781433940 | 246.76 | |
| 330i, Ci | ||||
| Regulating Probe | ||||
| Cylinders 1 Thru 3 | BMW | 11787523434 | 274.18 | |
| Cylinders 4 Thru 6 | BMW | 11787523435 | 274.18 | |
| Monitoring Probe | ||||
| Cylinders 1 Thru 3 | BMW | 11787514926 | 246.76 | |
| Cylinders 4 Thru 6 | BMW | 11787514927 | 246.76 | |
| 330xi | ||||
| Regulating Probe | BMW | 11781742050 | 246.76 | |
| Monitoring Probe | BMW | 11781433940 | 246.76 |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.