Widely Fitment: Compatible with 2011 1 SERIES M, 2008-2013 128i, 2008-2010 135i, 2006-2010 323i, 2006 325i, 2006 325Xi, 2007-2013 328i, 2007-2008 328Xi, 2006 330i, 2006 330Xi, 2007-2010 335i, 2007-2010 335i, 2011-2013 335is, 2007-2008 335Xi, 2006-2007 325i, 2006-2007 525Xi, 2008-2010 528i, 2008 528Xi, 2006-2007 530i, 2006-2007 530Xi, 2008-2010 535i, 2007-2010 X3, 2006-2016 Z4 Replace Part Number: Engine coolant thermostat housing replace 11537549476, 11537536655, 11537544788, 1430826, 256201, 256202, 41008697D0,TM1497, QTH640K, TH39797, TH698497J, V20991277, G4002-282254 Durable and Sturdy: Made of high-strength aluminum shell, it is more impact resistant and durable than plastic, and has excellent high temperature resistance, effectively preventing deformation or failure caused by high temperature. Opening Temperature: 97°C / 206.6℉ Excellent Thermal Conductivity: Aluminum alloy has excellent thermal conductivity, which can quickly transfer heat from the thermostat, helping to maintain the optimal operating temperature of the engine and prevent deformation or failure caused by high temperature Sealing and Support: The thermostat housing component is used to protect the thermostat, provide a sturdy installation position, and ensure its stability during engine operation, forming a tight connection with other parts of the cooling system to prevent coolant leakage

Upgraded Engine Coolant Thermostat Housing Assembly

Widely Compatible with BMW Models
Fit for BMW 128i 2008-2013
Fit for BMW 135i 2008-2010
Fit for BMW 323i 2006-2010
Fit for BMW 325i 2006
Fit for BMW 325Xi 2006
Fit for BMW 328i 2007-2013
Fit for BMW 328Xi 2007-2008
Fit for BMW 330i 2006
Fit for BMW 330Xi 2006
Fit for BMW 335i 2007-2010
Fit for BMW 335i 2007-2010
Fit for BMW 335is 2011-2013
Fit for BMW 335Xi 2007-2008
Fit for BMW 325i 2006-2007
Fit for BMW 525Xi 2006-2007
Fit for BMW528i 2008-2010
Fit for BMW 528Xi 2008
Fit for BMW 530i 2006-2007
Fit for BMW 530Xi 2006-2007
Fit for BMW 535i 2008-2010
Fit for BMW X3 2007-2010
Fit for BMW Z4 2006-2016

Replace part numbers: 11537549476, 11537536655, 11537544788, 1430826, 256201, 256202, 41008697D0, TM1497, QTH640K, TH39797, TH698497J, V20991277, G4002-282254.

Durable and Sturdy Construction
Crafted from high-strength aluminum, this thermostat housing offers superior durability compared to plastic alternatives. The robust material resists deformation under extreme temperatures and provides excellent impact resistance, ensuring long-lasting performance even in harsh driving conditions.

Excellent Thermal Conductivity
Aluminum alloy's exceptional thermal conductivity allows for rapid heat dissipation from the thermostat, helping maintain the engine at its optimal operating temperature. This not only enhances engine efficiency but also prevents overheating-related failures, contributing to overall vehicle reliability.

Sealing and Support
The housing component is designed to protect the thermostat while providing a sturdy installation position. It forms a tight seal with other parts of the cooling system, preventing coolant leaks and ensuring stable operation during engine runs.