★★★★★
May 15, 2026
BMW thermostat and housing
Easy installation. Looks great. So far works well.
Replaces
About TRQ:
TRQ is a trusted brand dedicated to making every repair a success story by combining premium parts with easy installation. Each TRQ part is engineered by a team of automotive experts to meet or exceed OEM standards, delivering enhanced performance and maximum longevity. With rigorous in-house testing, the brand ensures superior fit and function across every product line. TRQ also provides customers with best-in-class, step-by-step installation videos—so you can complete repairs with confidence, whether you're a first-time DIYer or an industry professional.
Attention California Customers:
WARNING: This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
This part fits 18 vehicles spanning 1999-2006.
| Year | Make | Model | Description |
|---|---|---|---|
| 2000 | BMW | 323Ci | BMW 323Ci Thermostat with Housing Assembly TRQ ECA90650 |
| 1999-2000 | BMW | 323i | BMW 323i Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2006 | BMW | 325Ci | BMW 325Ci Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2005 | BMW | 325Xi | BMW 325Xi Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2006 | BMW | 325i | BMW 325i Thermostat with Housing Assembly TRQ ECA90650 |
| 2000 | BMW | 328Ci | BMW 328Ci Thermostat with Housing Assembly TRQ ECA90650 |
| 1999-2000 | BMW | 328i | BMW 328i Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2006 | BMW | 330Ci | BMW 330Ci Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2005 | BMW | 330Xi | BMW 330Xi Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2005 | BMW | 330i | BMW 330i Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2005 | BMW | 525i | BMW 525i Thermostat with Housing Assembly TRQ ECA90650 |
| 1999-2000 | BMW | 528i | BMW 528i Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2005 | BMW | 530i | BMW 530i Thermostat with Housing Assembly TRQ ECA90650 |
| 2004-2006 | BMW | X3 | BMW X3 Thermostat with Housing Assembly TRQ ECA90650 |
| 2001-2006 | BMW | X5 | BMW X5 3.0i Thermostat with Housing Assembly TRQ ECA90650 |
| 1999-2002 | BMW | Z3 | BMW Z3 Coupe Thermostat with Housing Assembly TRQ ECA90650 |
| 1999-2002 | BMW | Z3 | BMW Z3 Roadster Thermostat with Housing Assembly TRQ ECA90650 |
| 2003-2005 | BMW | Z4 | BMW Z4 Thermostat with Housing Assembly TRQ ECA90650 |
| Brand Label | Part Number |
|---|---|
| Dorman - OE Solutions | 902-813 |
| BMW | 11537509227 |
This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories. Shipping is not available to Canada.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses. Final shipping costs are available at checkout.
Easy installation. Looks great. So far works well.
Worked as expected. The casting is machined and accepted hoses easily. both sides sealed however, the the plug is 90 degrees off the original, not an issue simply different. 1999 528i
Very nice
ECA90650
