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TechSmart B49001 Automatic Transmission Oil Cooler Thermostat
| Brand | TechSmart B49001 |
|---|---|
| Attachment Method | Direct, Snap Fit |
| Contents | 1 Oil Cooler Thermostat |
| Fits | BMW · 57 vehicles |
Direct-fit replacement. Snap-fit design for easier installation and a proper OE-style restore.
OE-spec tested. Built to meet or exceed OE performance for reliable cooling function.
Automatic transmission oil cooler thermostat for restoring transmission cooling.
Cross-references Dorman - OE Solutions 902-5821, Genuine 17111437362 and Standard Ignition ATO100 for the same application. See all 7.
Automatic Transmission Oil Cooler Thermostat
Restore transmission cooling control with this TechSmart automatic transmission oil cooler thermostat. Built as a direct-fit replacement, it is made to reinstall easily and return proper cooling function after OE thermostat failure. TechSmart B49001 is tested to OE specifications for consistent operation and long service life.
Key Features
- Direct-fit replacement for straightforward installation
- Direct, snap-fit attachment method
- Restores transmission cooling function after OE thermostat failure
- Tested to OE specifications for performance and durability
- Engineered to meet or exceed OE performance standards
- Includes 1 oil cooler thermostat
Product Details
TechSmart B49001 is an automatic transmission oil cooler thermostat for BMW applications that rely on controlled transmission fluid temperature. It helps regulate cooler flow so the transmission can operate within the intended temperature range. This part is a practical OE-style replacement for BMW Z4, BMW X3, BMW X5, and select 3 Series models, including BMW 330i and BMW 325i applications. The B49001 part number is also useful when cross-checking service records or ordering by reference.
This part cross-references Dorman OE Solutions 902-5821 for the same application.
What It Helps Solve
- Transmission fluid overheating caused by a failed thermostat
- Delayed or inconsistent cooler flow control
- Loss of proper transmission cooling function
- Temperature-related drivability concerns tied to cooling regulation
- Service replacement needs on BMW cooling-system related transmission components
Installation Notes and Tips
Use the direct, snap-fit design to match the OE mounting style. Verify the vehicle’s transmission cooler thermostat location and confirm application details before installation. This TechSmart B49001 thermostat is listed for BMW Z4 2003-2008, BMW 330Ci 2001-2006, BMW 330i 2001-2006, BMW 330xi 2001-2006, BMW X3 2004-2006, BMW X5 2001-2006, BMW 320i 2001-2005, BMW 325Ci 2001-2005, BMW 325i 2001-2005, BMW 325xi 2001-2005, BMW 323Ci 2000, BMW 323i 2000, BMW 328Ci 2000, and BMW 328i 2000.
Quality Assurance
TechSmart states that its parts are tested to OE specifications and meet or exceed OE performance requirements. That focus supports reliable operation and long service life in BMW transmission cooling applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | BMW | Z4 | 3.0L | L6 | N/A | — |
| 2007 | BMW | Z4 | 3.0L | L6 | N/A | — |
| 2006 | BMW | 330Ci | — | — | N/A | — |
| 2006 | BMW | 330i | — | — | N/A | — |
| 2006 | BMW | 330xi | — | — | N/A | — |
| 2006 | BMW | X3 | — | — | N/A | — |
| 2006 | BMW | X5 | 3.0L | L6 | N/A | — |
| 2006 | BMW | Z4 | 3.0L | L6 | N/A | — |
| 2005 | BMW | 320i | — | — | N/A | — |
| 2005 | BMW | 325Ci | — | — | N/A | — |
| 2005 | BMW | 325i | — | — | N/A | — |
| 2005 | BMW | 325xi | — | — | N/A | — |
| 2005 | BMW | 330Ci | — | — | N/A | — |
| 2005 | BMW | 330i | — | — | N/A | — |
| 2005 | BMW | 330xi | — | — | N/A | — |
| 2005 | BMW | X3 | — | — | N/A | — |
| 2005 | BMW | X5 | 3.0L | L6 | N/A | — |
| 2005 | BMW | Z4 | — | — | N/A | — |
| 2004 | BMW | 320i | — | — | N/A | — |
| 2004 | BMW | 325Ci | — | — | N/A | — |
| 2004 | BMW | 325i | — | — | N/A | — |
| 2004 | BMW | 325xi | — | — | N/A | — |
| 2004 | BMW | 330Ci | — | — | N/A | — |
| 2004 | BMW | 330i | — | — | N/A | — |
| 2004 | BMW | 330xi | — | — | N/A | — |
| 2004 | BMW | X3 | — | — | N/A | — |
| 2004 | BMW | X5 | 3.0L | L6 | N/A | — |
| 2004 | BMW | Z4 | — | — | N/A | — |
| 2003 | BMW | 320i | — | — | N/A | — |
| 2003 | BMW | 325Ci | — | — | N/A | — |
| 2003 | BMW | 325i | — | — | N/A | — |
| 2003 | BMW | 325xi | — | — | N/A | — |
| 2003 | BMW | 330Ci | — | — | N/A | — |
| 2003 | BMW | 330i | — | — | N/A | — |
| 2003 | BMW | 330xi | — | — | N/A | — |
| 2003 | BMW | X5 | 3.0L | L6 | N/A | — |
| 2003 | BMW | Z4 | — | — | N/A | — |
| 2002 | BMW | 320i | — | — | N/A | — |
| 2002 | BMW | 325Ci | — | — | N/A | — |
| 2002 | BMW | 325i | — | — | N/A | — |
| 2002 | BMW | 325xi | — | — | N/A | — |
| 2002 | BMW | 330Ci | — | — | N/A | — |
| 2002 | BMW | 330i | — | — | N/A | — |
| 2002 | BMW | 330xi | — | — | N/A | — |
| 2002 | BMW | X5 | 3.0L | L6 | N/A | — |
| 2001 | BMW | 320i | — | — | N/A | — |
| 2001 | BMW | 325Ci | — | — | N/A | — |
| 2001 | BMW | 325i | — | — | N/A | — |
| 2001 | BMW | 325xi | — | — | N/A | — |
| 2001 | BMW | 330Ci | — | — | N/A | — |
| 2001 | BMW | 330i | — | — | N/A | — |
| 2001 | BMW | 330xi | — | — | N/A | — |
| 2001 | BMW | X5 | 3.0L | L6 | N/A | — |
| 2000 | BMW | 323Ci | — | — | N/A | — |
| 2000 | BMW | 323i | — | — | N/A | — |
| 2000 | BMW | 328Ci | — | — | N/A | — |
| 2000 | BMW | 328i | — | — | N/A | — |
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