



BMW E39 5-Series Secondary Air Pump Hose OEM 11721435456 is listed under BMW part number 11721435456. This BavariaMotor reference page brings together the key identification and compatibility facts needed before purchase.
BMW part 11721435456 overview
| Part number | 11721435456 |
|---|---|
| Supplier / brand | Rein |
| Part type | Fuel & Emissions |
| Indicative price | Approximately €28.53 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 E39 5-Series with the high-quality Secondary Air Pump Hose OEM 11721435456, made by Rein. This essential component connects the air pump to the valve, ensuring you
- ?s a small investment for a significant impact on your vehicle's health. Proper maintenance of your BMW not only prolongs its life but also ensures an enjoyable driving experience.
OEM and cross-reference numbers
11721435456
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- Compare the complete part number, including any superseded number.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 11721435456 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Can a superseded BMW number be used?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.
Related BMW parts
- BMW E39 5-Series Air Pump Control Valve W/ Seal OEM 11727540468 or 11721707619
- BMW E53 X5 O2 Sensor-Oxygen Sensor OEM (Post Cat / After Cat) 11781433940
- BMW E46 3-Series Oxygen Sensor By Uro (Pre Cat / Before Cat) 11781742050
- BMW E53 X5 Spark Plug Kit OEM NGK (6 Pack) 12120037607
- BMW E53 X5 Ignition Coil Kit OEM 12137599219




