1999-2008 BMW Expansion Tank Coolant Level Gauge Plate 17111439721
OEM Part #: 17-11-1-439-721 (17111439721)
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$19.99
Used
Donor2008 BMW X3 · 3.0L
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Genuine OEM Used
SKU: 704257
Donor Vehicle: 2008 BMW X3 · 3.0L
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$19.99
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This is a used genuine BMW expansion tank coolant level gauge plate, OEM part number 1439721. Also known as the coolant level sensor plate or expansion tank cap assembly, this component mounts to the top of the coolant reservoir and houses the float that signals low coolant. When the plate or its internal sensor fails, you may see a false low-coolant warning or a persistent check-vehicle light on the dash.
Specifications
| Fits Vehicle Model | 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, X3, X5, Z4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 17-11-1-439-721 (17111439721) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 90 vehicle configurations across 1 make, 1999-2008.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 90 vehicle configurations — 13 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2002 | BMW | 325xi | Sedan | 2.5L l6 | |
| 2006 | BMW | 325i | Sedan | 3.0L l6 | |
| 2001 | BMW | 325i | Wagon | 2.5L l6 | |
| 2003 | BMW | 325i | Wagon | 2.5L l6 | |
| 2005 | BMW | 325i | Wagon | 2.5L l6 | |
| 2004 | BMW | 325i | Wagon | 2.5L l6 | |
| 2002 | BMW | 325i | Wagon | 2.5L l6 | |
| 2004 | BMW | 325xi | Sedan | 2.5L l6 | |
| 2005 | BMW | 325xi | Sedan | 2.5L l6 | |
| 2006 | BMW | 325xi | Sedan | 3.0L l6 | |
| 2003 | BMW | 325xi | Sedan | 2.5L l6 | |
| 2001 | BMW | 325xi | Sedan | 2.5L l6 | |
| 2002 | BMW | 325i | Sedan | 2.5L l6 | |
| 2004 | BMW | 325xi | Wagon | 2.5L l6 | |
| 2006 | BMW | 325xi | Wagon | 3.0L l6 | |
| 2002 | BMW | 325xi | Wagon | 2.5L l6 | |
| 2005 | BMW | 325xi | Wagon | 2.5L l6 | |
| 2003 | BMW | 325xi | Wagon | 2.5L l6 | |
| 2001 | BMW | 325xi | Wagon | 2.5L l6 | |
| 2000 | BMW | 328Ci | Coupe | 2.8L l6 | |
| 1999 | BMW | 328i | Sedan | 2.8L l6 | |
| 2000 | BMW | 328i | Sedan | 2.8L l6 | |
| 2006 | BMW | Z4 | Coupe | 3.0L l6 | |
| 2003 | BMW | 330Ci | Convertible | 3.0L l6 | |
| 2003 | BMW | 325i | Sedan | 2.5L l6 | |
| 2005 | BMW | 325i | Sedan | 2.5L l6 | |
| 2001 | BMW | 325Ci | Convertible | 2.5L l6 | |
| 2000 | BMW | 323Ci | Convertible | 2.5L l6 | |
| 2000 | BMW | 323Ci | Coupe | 2.5L l6 | |
| 2000 | BMW | 323i | Sedan | 2.5L l6 | |
| 1999 | BMW | 323i | Sedan | 2.5L l6 | |
| 2000 | BMW | 323i | Wagon | 2.5L l6 | |
| 2003 | BMW | 325Ci | Convertible | 2.5L l6 | |
| 2004 | BMW | 325i | Sedan | 2.5L l6 | |
| 2002 | BMW | 325Ci | Convertible | 2.5L l6 | |
| 2005 | BMW | 325Ci | Convertible | 2.5L l6 | |
| 2004 | BMW | 325Ci | Convertible | 2.5L l6 | |
| 2006 | BMW | 325Ci | Convertible | 2.5L l6 | |
| 2005 | BMW | 325Ci | Coupe | 2.5L l6 | |
| 2004 | BMW | 325Ci | Coupe | 2.5L l6 | |
| 2006 | BMW | 325Ci | Coupe | 2.5L l6 | |
| 2003 | BMW | 325Ci | Coupe | 2.5L l6 | |
| 2002 | BMW | 325Ci | Coupe | 2.5L l6 | |
| 2001 | BMW | 325Ci | Coupe | 2.5L l6 | |
| 2001 | BMW | 325i | Sedan | 2.5L l6 | |
| 2002 | BMW | 330Ci | Convertible | 3.0L l6 | |
| 2007 | BMW | Z4 | Coupe | 3.0L l6 | |
| 2006 | BMW | 330Ci | Convertible | 3.0L l6 | |
| 2003 | BMW | Z4 | Convertible | 3.0L l6 | For vehicles WITH option code S205A |
| 2008 | BMW | X3 | SUV | 3.0L l6 | For vehicles WITH option code |
| 2004 | BMW | 330Ci | Convertible | 3.0L l6 | |
| 2003 | BMW | X5 | SUV | 3.0L l6 | |
| 2002 | BMW | X5 | SUV | 3.0L l6 | |
| 2006 | BMW | X5 | SUV | 3.0L l6 | |
| 2005 | BMW | X5 | SUV | 3.0L l6 | |
| 2001 | BMW | X5 | SUV | 3.0L l6 | |
| 2004 | BMW | X5 | SUV | 3.0L l6 | |
| 2005 | BMW | Z4 | Convertible | 2.5L l6 | For vehicles WITH option code S205A |
| 2004 | BMW | Z4 | Convertible | 2.5L l6 | For vehicles WITH option code S205A |
| 2003 | BMW | Z4 | Convertible | 2.5L l6 | For vehicles WITH option code S205A |
| 2004 | BMW | Z4 | Convertible | 3.0L l6 | For vehicles WITH option code S205A |
| 2005 | BMW | Z4 | Convertible | 3.0L l6 | For vehicles WITH option code S205A |
| 2007 | BMW | Z4 | Roadster Convertible | 3.0L l6 | |
| 2008 | BMW | Z4 | Roadster Convertible | 3.0L l6 | |
| 2006 | BMW | Z4 | Roadster Convertible | 3.0L l6 | |
| 2008 | BMW | Z4 | Coupe | 3.0L l6 | |
| 2007 | BMW | X3 | SUV | 3.0L l6 | For vehicles WITH option code |
| 2005 | BMW | 330i | Sedan | 3.0L l6 | |
| 2005 | BMW | 330Ci | Convertible | 3.0L l6 | |
| 2004 | BMW | 330Ci | Coupe | 3.0L l6 | |
| 2006 | BMW | 330Ci | Coupe | 3.0L l6 | |
| 2005 | BMW | 330Ci | Coupe | 3.0L l6 | |
| 2001 | BMW | 330Ci | Coupe | 3.0L l6 | |
| 2003 | BMW | 330Ci | Coupe | 3.0L l6 | |
| 2002 | BMW | 330Ci | Coupe | 3.0L l6 | |
| 2006 | BMW | X3 | SUV | 3.0L l6 | For vehicles WITH option code |
| 2003 | BMW | 330i | Sedan | 3.0L l6 | |
| 2001 | BMW | 330i | Sedan | 3.0L l6 | |
| 2002 | BMW | 330i | Sedan | 3.0L l6 | |
| 2005 | BMW | 330xi | Sedan | 3.0L l6 | |
| 2004 | BMW | X3 | SUV | 3.0L l6 | For vehicles WITH option code |
| 2004 | BMW | 330i | Sedan | 3.0L l6 | |
| 2005 | BMW | X3 | SUV | 2.5L l6 | For vehicles WITH option code |
| 2004 | BMW | X3 | SUV | 2.5L l6 | For vehicles WITH option code |
| 2005 | BMW | X3 | SUV | 3.0L l6 | For vehicles WITH option code |
| 2004 | BMW | 330xi | Sedan | 3.0L l6 | |
| 2002 | BMW | 330xi | Sedan | 3.0L l6 | |
| 2003 | BMW | 330xi | Sedan | 3.0L l6 | |
| 2001 | BMW | 330xi | Sedan | 3.0L l6 | |
| 2001 | BMW | 330Ci | Convertible | 3.0L l6 |