Description
Meyle expansion vessel 17111723520
The Meyle expansion vessel 17111723520 is a reliable and durable replacement part for the original BMW coolant reservoir. It captures expanding coolant and keeps the pressure in the cooling system constant, preventing overheating and leaks.
The expansion vessel is made of reinforced, heat-resistant plastic and meets OEM specifications, ensuring a perfect fit and long service life.
Although the reservoir is not standard on all BMW models, it is strongly recommended when installing aftermarket aluminium radiators without integrated expansion tank. In these cases, it is essential to keep the cooling system functioning correctly.
Advantages
OEM quality from Meyle
Resistant to high temperatures and pressure
Ensures constant pressure in the cooling system
Instant fit, no adjustments needed
Made of reinforced plastic for long service life
Recommended for aluminium radiators without internal expansion vessel
Specifications
| Feature | Value |
|---|---|
| Manufacturer | Meyle |
| Part number | 17111723520 |
| OEM reference | 17111723520 |
| Material | Reinforced plastic |
| Colour | White/transparent |
| Application | Coolant reservoir (expansion tank) |
| Warranty | 2-year manufacturer's warranty |
Compatibility
This Meyle expansion tank originally fits the following BMW models:
| Brand | Model | Type | Bodywork | Engine (ccm) | Power (hp/kW) | Year of construction of | to |
|---|---|---|---|---|---|---|---|
| BMW | 5 (E39) 520i | Sedan | 1990 | 150 / 110 | 01-1996 | 06-2003 | |
| BMW | 5 Touring (E39) 520i | Station wagon | 1990 | 150 / 110 | 03-1997 | 08-2001 | |
| BMW | 5 (E39) 523i | Sedan | 2494 | 170 / 125 | 09-1995 | 08-2000 | |
| BMW | 5 Touring (E39) 523i | Station wagon | 2494 | 170 / 125 | 03-1997 | 08-2000 | |
| BMW | 5 (E39) 528i | Sedan | 2793 | 193 / 142 | 09-1995 | 08-2000 | |
| BMW | 5 Touring (E39) 528i | Station wagon | 2793 | 193 / 142 | 11-1996 | 08-2000 | |
| BMW | 7 (E38) 728i / 728iL | Sedan | 2793 | 193 / 142 | 08-1995 | 11-2001 |
Note: Recommended when mounting aftermarket aluminium radiators without internal expansion tank.
Application
Original part for various BMW E39 and E38 models.
Essential when installing a aluminium radiator without internal expansion tank.
Part number 17111723520 is compatible with OEM specifications and easy to assemble.







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