BMW E65/E66 7-Series Oxygen Sensor Pre Catalyst In Manifold (Grey) OEM 11787521705 is listed under BMW part number 11787521705. This BavariaMotor reference page brings together the key identification and compatibility facts needed before purchase.
BMW part 11787521705 overview
| Part number | 11787521705 |
|---|---|
| Supplier / brand | Bosch |
| Part type | Fuel & Emissions |
| Indicative price | Approximately €112.49 at the time the source data was checked. Prices and availability can change. |
Vehicle fitment
Fitment information is a guide, not a substitute for a VIN check. BMW can use different parts within the same model year.
- Pre cat oxygen sensor (Before Catalyst Drivers Side) Cyl. 5-8.Made By Bosch OEM. Part#11 78 7 521 705 Buyers Note: Grey-colored wire cover on this sensor.
OEM and cross-reference numbers
11787521705
Compatibility checks before ordering
- Compare the complete part number, including any superseded number.
- Verify the vehicle VIN, production date, engine and option codes.
- Compare connector, mounting position and left/right orientation where applicable.
- Ask a BMW parts specialist when catalogue data is ambiguous.
Frequently asked questions
Is 11787521705 guaranteed to fit my BMW?
No. Confirm the part against the VIN and the vehicle production date before purchase.
Is the EUR price final?
No. It is an indicative conversion and may exclude delivery, tax, duties or supplier price changes.
Can a superseded BMW number be used?
Often yes, but only after verifying the official replacement chain for the specific VIN.
Compatibility, availability and pricing must be confirmed before ordering.
