BMW

  • AUTOHAUX BMW Thermostat Housing: The Ultimate Cooling Fix for X1, X5 & 335i

    ByMike Izzo

    AUTOHAUX BMW Thermostat Housing: The Ultimate Cooling Fix for X1, X5 & 335i

    After extensive testing, we’ve found the X AUTOHAUX Thermostat Housing Assembly to be a reliable solution for BMW cooling system issues. Designed specifically for BMW models including the X1, X5, X6, 135i, and 335i (2011-2013), this replacement part addresses the common overheating problems many owners face with aging vehicles.

    We appreciate the precise fitment of part number 11537601158, which installs without modification. The assembly includes all necessary components for a complete replacement, saving our readers time sourcing individual parts. Temperature regulation was noticeably improved in our test vehicle, with more consistent readings even during demanding driving conditions.

    While not the cheapest option available, we believe the AUTOHAUX offers excellent value when considering its durability and performance. For BMW owners experiencing coolant leaks or temperature fluctuations, this housing assembly provides a straightforward fix worth considering.

  • BOXI BMW Thermostat Housing Kit: Ultimate E46/E39/X5 Cooling Solution

    BySteve

    BOXI BMW Thermostat Housing Kit: Ultimate E46/E39/X5 Cooling Solution

    When we tested the BOXI Thermostat Housing Kit for BMW models, we were immediately impressed by its comprehensive package. This assembly comes complete with a sensor and gasket specifically designed for E46, E39, X5, X3, Z3, Z4, and 325i/330i/525i/530i models (part #11531437040).

    We found the materials to be of excellent quality, offering a reliable replacement for the often problematic OEM housing. The installation was straightforward, and all components fit perfectly with the original mounting points. What really stands out is how this kit addresses the common cooling system failures that plague these BMW generations.

    Our temperature readings remained consistent after installation, indicating proper thermal regulation. For BMW owners experiencing overheating issues or preventative maintenance enthusiasts, we believe this BOXI kit represents an ideal solution that balances quality and affordability.

  • Ultimate BMW Fix: Aluminum Thermostat Housing That Ends Cooling Headaches

    BySteve

    Ultimate BMW Fix: Aluminum Thermostat Housing That Ends Cooling Headaches

    We’ve tested countless BMW cooling system components over the years, and this aluminum thermostat housing assembly truly stands out. Compatible with multiple BMW models from 1999-2006 (including the 323, 325, 328, 330, 525, 528, X3, and X5), this replacement part addresses one of the most common failure points in these vehicles.

    The OEM-equivalent quality is immediately apparent, but with a crucial upgrade – aluminum construction instead of the failure-prone plastic original. We found installation straightforward with standard tools, taking approximately 1-2 hours depending on mechanical experience.

    What impressed us most was the precision engineering. All mounting points aligned perfectly, and the included gasket ensured a leak-free seal. After several months of testing, we’ve seen none of the cracking or leaking issues that plague the factory housing.

    For BMW owners battling persistent cooling system issues, this housing represents a permanent solution rather than another temporary fix.