Beat the Heat – Summer Essential Maintenance
24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
Add your vehicle to ensure fitment/Choose a yearRequired Fields
Select a different vehicle
Make/Model
VIN
Save

BMW 528i Thermostat

28 items

Upgrade your vehicle's thermostat with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

  • All filters
  • Sort By
  • Year
  • Price
  • Brand
  • Material
  • Color
  • Warranty
Thermostat Housing Assembly for BMW 320i E46 2001-2005 323is E46 Z3 Z4 525i X3Thermostat Housing Assembly for BMW 320i E46 2001-2005 323is E46 Z3 Z4 525i X3
A-Premium®Part # APTHA0141
Thermostat Housing Assembly for BMW 320i E46 2001-2005 323is E46 Z3 Z4 525i X3
4.682 Reviews
$54.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2001 - 2005 BMW 320i, 2000 - 2000 BMW 323Ci, 2000 - 2000 BMW 323i, 1999 - 1999 BMW 323i, 1999 - 1999 BMW 323is, 2001 - 2006 BMW 325Ci, 2001 - 2005 BMW 325i, 2001 - 2005 BMW 325xi, 2000 - 2000 BMW 328Ci, 2000 - 2000 BMW 328i, 1999 - 1999 BMW 328i, 1999 - 1999 BMW 328is, 2006 - 2006 BMW 330Ci, 2001 - 2005 BMW 330Ci, 2001 - 2005 BMW 330i, 2001 - 2005 BMW 330xi, 2001 - 2005 BMW 525i, 1999 - 2000 BMW 528i, 2001 - 2005 BMW 530i, 2004 - 2006 BMW X3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
MaterialAluminum
item #1005EY1T
Note
This item comes with Thermostat and Sensor.
Show less
Thermostat Housing with Sensor Assembly for BMW F30 320i 328i X5 528i xDrive X3 X1
A-Premium®Part # APTHA0319
Thermostat Housing with Sensor Assembly for BMW F30 320i 328i X5 528i xDrive X3 X1
4.682 Reviews
$57.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2015 - 2016 BMW 428i Gran Coupe, 2014 - 2016 BMW 428i xDrive, 2012 - 2016 BMW 328i, 2012 - 2018 BMW 320i, 2013 - 2017 BMW X3, 2014 - 2016 BMW 428i, 2012 - 2015 BMW X1, 2012 - 2016 BMW 528i xDrive, 2013 - 2016 BMW 328i xDrive, 2014 - 2016 BMW 328i GT xDrive, 2014 - 2016 BMW 228i, 2013 - 2018 BMW 320i xDrive, 2016 - 2018 BMW X5, 2015 - 2016 BMW 428i xDrive Gran Coupe, 2015 - 2018 BMW X4, 2015 - 2016 BMW 228i xDrive, 2012 - 2016 BMW Z4, 2012 - 2016 BMW 528i
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
ConditionNew
item #1015HP0Y
Note
【Note-1】 Start to Open Temperature: 108℃.
【Note-2】 This item comes with Sensor.
Show less
Beck/Arnley 143-0826 Engine Coolant Thermostat Housing Assembly
Beck/ArnleyPart # 143-0826
Beck/Arnley 143-0826 Engine Coolant Thermostat Housing Assembly
51 Reviews
$155.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 BMW 325i, 2006-2006 BMW 325xi, 2006-2006 BMW 330i, 2006-2006 BMW 330xi, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2007 BMW 525i, 2006-2007 BMW 525xi, 2006-2007 BMW 530i, 2006-2007 BMW 530xi, 2007-2008 BMW 328xi, 2007-2008 BMW 335xi, 2007-2010 BMW X3, 2007-2011 BMW 328i, 2007-2011 BMW 335i, 2007-2016 BMW Z4, 2008-2008 BMW 528xi, 2008-2008 BMW 535xi, 2008-2010 BMW 135i
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
Part interchange
143-0826
item #1000XADG
Show less
Beck/Arnley 143-0919 Engine Coolant Thermostat Housing Assembly
Beck/ArnleyPart # 143-0919
Beck/Arnley 143-0919 Engine Coolant Thermostat Housing Assembly
51 Reviews
$133.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2011-2011 BMW 528i, 2011-2012 BMW 740Li, 2011-2012 BMW 740i
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
Part interchange
143-0919
item #1000X83N
Show less
Engine Coolant Thermostat - Mahle TM 25 108
MahlePart # TM 25 108
Engine Coolant Thermostat - Mahle TM 25 108
51 Reviews
$71.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2013 BMW 328i, 2012-2016 BMW 528i, 2012-2016 BMW 528i xDrive, 2012-2016 BMW Z4, 2013-2013 BMW 328i xDrive, 2013-2014 BMW X3, 2013-2015 BMW X1, 2013-2016 BMW 320i, 2013-2018 BMW 320i xDrive, 2014-2016 BMW 228i, 2014-2016 BMW 328i, 2014-2016 BMW 328i GT xDrive, 2014-2016 BMW 328i xDrive, 2014-2016 BMW 428i, 2014-2016 BMW 428i xDrive, 2015-2016 BMW 228i xDrive, 2015-2016 BMW 428i Gran Coupe, 2015-2016 BMW 428i xDrive Gran Coupe, 2015-2017 BMW X3, 2015-2017 BMW X3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
Part interchange
TM 25 108, 34788, 49618, TM25108, 822-226, 11 53 8 636 595, 11 53 7 633 476, 11 53 7 588 257, 
...View more
item #1000XSZV
Show less
Engine Coolant Thermostat - Mahle TX 28 92D
MahlePart # TX 28 92D
Engine Coolant Thermostat - Mahle TX 28 92D
51 Reviews
$29.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1991-1994 BMW 318i, 1991-1994 BMW 318is, 1991-1995 BMW 525i, 1992-1995 BMW 320i, 1992-1995 BMW 325i, 1992-1995 BMW 325is, 1994-1995 BMW M3, 1995-1995 BMW 318i, 1995-1995 BMW 318is, 1995-1995 BMW 318ti, 1996-1999 BMW 328i, 1997-1998 BMW 528i, 1997-1998 BMW Z3, 1998-1999 BMW 323i
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
Part interchange
TX 28 92D, 4236.92D, 33936, 14622, TX2892D, 274-192, 11 53 7 511 083, 11 53 1 712 043, 
...View more
item #1000XP0U
Show less
Engine Coolant Thermostat - Mahle TM 14 97
MahlePart # TM 14 97
Engine Coolant Thermostat - Mahle TM 14 97
51 Reviews
$84.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 BMW 325i, 2006-2006 BMW 325xi, 2006-2006 BMW 330i, 2006-2006 BMW 330xi, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2007 BMW 525i, 2006-2007 BMW 525xi, 2006-2007 BMW 530i, 2006-2007 BMW 530xi, 2006-2010 BMW 323i, 2007-2008 BMW 328xi, 2007-2008 BMW 335xi, 2007-2010 BMW 335i, 2007-2010 BMW X3, 2007-2011 BMW 328i, 2007-2016 BMW Z4, 2008-2008 BMW 528xi, 2008-2008 BMW 535xi
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
Part interchange
TM 14 97, 34246, 49269, TM1497, 568-207, 11 53 7 549 476, 11 53 7 536 655, 2.562.02
item #1000XPVC
Show less
Engine Coolant Thermostat - Mahle TM 21 97
MahlePart # TM 21 97
Engine Coolant Thermostat - Mahle TM 21 97
51 Reviews
$99.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2011-2011 BMW 528i, 2011-2012 BMW 740Li, 2011-2012 BMW 740i
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 528i
Item LocatedUnited States
Quantity1
Part interchange
TM 21 97, 34789, 49622, TM2197, 828-207, 11 53 7 580 627
item #1000XQDZ
Show less
Page 2 of 2

What is an engine thermostat?

 While all engines can become too hot, if your thermostat isn't working correctly, your engine's well-being is at serious risk. The engine thermostat, often simply referred to as a thermostat, regulates the engine's operating temperature within an optimal range (typically around 195 to 220 degrees Fahrenheit).

How does a car thermostat work?

As a temperature-sensitive valve within the cooling system, a car thermostat responds to changes in coolant temperature. Understanding how it works by the following breakdown steps:

  • Closed position (cold start)

Initially closed to help the engine warm up quickly.

  • Heating up

The engine generates heat during operation.

  • Opening the thermostat

A temperature-sensitive element (usually wax) causes the thermostat to open gradually.

  • Coolant flow

When open, coolant flows from the engine to the radiator.

  • Maintaining optimal temperature

Adjusts coolant flow to maintain the ideal engine temperature.

  • Temperature regulation

Continuously adjusts to prevent overheating and ensure efficient operation.

Signs of a bad thermostat

  1. Overheating: The engine becomes excessively hot due to a stuck-closed thermostat.
  2. Low or fluctuating temperature: A thermostat stuck open results in a cooler engine, affecting fuel efficiency and heating.
  3. Temperature warning light: Illuminates to indicate engine overheating due to a faulty thermostat.
  4. Poor fuel efficiency: Stuck-open thermostat reduces fuel efficiency as the engine operates less efficiently at lower temperatures.
  5. Inadequate cabin heating: Insufficient cabin heating in cold weather with a thermostat that's stuck open.
  6. Coolant leaks: Gasket or sealing issues can lead to coolant leaks.
  7. Rapid temperature fluctuations: The gauge shows rapid swings between hot and cold.
  8. Engine running hot at idle: Higher engine temperature during idle or in traffic due to restricted coolant flow.
  9. Slow or inconsistent warm-up: Longer-than-normal warm-up times, even in moderate weather.
  10. Inconsistent heater operation: This affects the performance of the vehicle's heater, causing inconsistent or inadequate heating in cold weather.

Related Blogs

Why Does Coolant Boil After You Turn the Engine Off?

Learn why coolant boils or bubbles after you turn the engine off, how heat soak affects the cooling system, and how to diagnose leaks, trapped air, cap, thermostat, fan, water pump, or head gasket problems.

Jul 29, 2026