BMW E39 540i Secondary Air Pump Assembly OEM 11721433958 is listed under BMW part number 11721433958. This BavariaMotor reference page brings together the key identification and compatibility facts needed before purchase.
BMW part 11721433958 overview
| Part number | 11721433958 |
|---|---|
| Supplier / brand | Pierburg |
| Part type | Fuel & Emissions |
| Indicative price | Approximately €303.91 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.
- Upgrade your BMW's performance with the OEM BMW E39 540i Secondary Air Pump Assembly, part number 11721433958, crafted by Pierburg. This essential component ensures your vehicle op
OEM and cross-reference numbers
11721433958611291968726112921597861129223385
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- Compare the complete part number, including any superseded number.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 11721433958 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Can a superseded BMW number be used?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.
