BMW E46 3-Series Oxygen Sensor By Uro (Pre Cat / Before Cat) 11781742050 is listed under BMW part number 11781742050U. This BavariaMotor reference page brings together the key identification and compatibility facts needed before purchase.
BMW part 11781742050U overview
| Part number | 11781742050U |
|---|---|
| Supplier / brand | Uro Parts |
| Part type | Fuel & Emissions |
| Indicative price | Approximately €50.42 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 catalytic oxygen sensor / O2 Sensor.Made By Uro Parts. Part# 11 78 1 742 050 Buyers Note: Pre cat is before cat near the top of the manifold. Cross References: 11-78-1-433-0751
- Pre catalytic oxygen sensor. (Before Cat). Made By Uro Parts. Part# 11 78 1 742 050 Cross References: 11-78-1-433-07511 78 1 433 0751178143307511-78-1-742-04911 78 1 742 04911.78.1
OEM and cross-reference numbers
11781742050U117817420500501347713
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- Compare the complete part number, including any superseded number.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 11781742050U 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Can a superseded BMW number be used?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.
