BMW E9X 3-Series Pre Cat O2 Sensor / Oxygen Sensor Aftermarket is listed under BMW part number 11787558055A. This BavariaMotor reference page brings together the key identification and compatibility facts needed before purchase.
BMW part 11787558055A overview
| Part number | 11787558055A |
|---|---|
| Supplier / brand | Aftermarket |
| Part type | Fuel & Emissions |
| Indicative price | Approximately €96.40 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. Located before the catalytic converter. Select O2 sensor location from the menu. Made by Uro-Vemo.Part# 11 78 7 558 055 Pre cat in front manifold.Cyl 1-3 (14
OEM and cross-reference numbers
11787558055A
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- Compare the complete part number, including any superseded number.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 11787558055A 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Can a superseded BMW number be used?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.
