
Table of Contents
How do I know if my BMW thermostat is bad?
- High temperature readings. The main symptoms of a failing thermostat are related to engine overheating.
- Erratic changes in temperature.
- Leaking coolant.
- Increased fuel consumption.
- Unusual noises.
Where is BMW thermostat located?
The thermostat is mounted to the right side of the engine at the front. The DME (engine control module) controls and monitors operation of the thermostat. If a fault occurs a code is stored in the DME, usually with a description of “Map cooling circuit”.
Where is the thermostat located on a BMW 535i?

Where is the thermostat located on a 2007 BMW 328i?

Will a bad thermostat throw a code?
the most noticeable issues occur when the thermostat gets stuck in either the open or closed position. a malfunction can result in a trouble code, generated by the engine’s computer, which can turn on your check engine light.
What is the symptoms of a bad failing thermostat?
Overheating is the most common symptom of a failing thermostat. Due to corrosion or aging, your car’s thermostat can get stuck in a closed position. If this happens, the thermostat will not let the coolant reach the radiator, and, as mentioned above, the engine will overheat, causing severe damage.
How much does it cost to replace thermostat in BMW?
The Best in Auto Repair The average cost for a BMW 328i thermostat replacement is between $458 and $523. Labor costs are estimated between $178 and $225 while parts are priced between $280 and $298. This range does not include taxes and fees, and does not factor in your specific model year or unique location.
How do you change a thermostat on a BMW?

What does the BMW thermostat do?
The thermostat is a valve in your car’s cooling system which controls the flow of coolant to and from the radiator and around the cooling hoses. By opening and closing the entrance of coolant into the cooling system, the thermostat regulates your car’s temperature, keeping it within a healthy range.
How do I know if my BMW water pump is bad?
- Coolant Leaks.
- High-pitched Whining Sounds.
- Engine Overheating.
- Steam Coming From The Radiator.
- Higher Mileage.
- Routine Maintenance.
- Regular Coolant Changes.
- Any Change In Your BMW’s Performance.
How much is a thermostat for a BMW 535i?
The average cost for a BMW 535i thermostat replacement is between $563 and $638. Labor costs are estimated between $274 and $346 while parts are priced between $289 and $292.
Do you have to replace thermostat when replacing water pump?
its a good idea to replace the thermostat whenever replacing a water pump. The thermostat may have suffered some damage during the overheating that occurred before the water pump failed.
Where is the thermostat located on a 2007 BMW x3?

Why is my BMW 325i overheating?
The most common reasons a BMW 325i is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
How can I test my car thermostat without removing it?
Start your car’s engine and allow it to idle. Look through the radiator filler neck to see if the coolant flows. At this time, it should not be flowing as your car has not reached the operating temperature to cause the thermostat to open. If you find the coolant is flowing, it means the thermostat valve is open.
Is it OK to drive a car with a bad thermostat?
Can I Still Drive with a Bad Thermostat? The easy answer to this question is no. While your car may be physically able to move and get you from Point A to Point B, you will want to refrain from operating your vehicle. This can lead to more parts of your vehicle being damaged, especially if the engine is overheating.
How do I know if my thermostat is stuck open?
A thermostat stuck in the open position constantly pushes coolant into the engine and causes a lower operating temperature. Your temperature gauge will show a needle that barely increases or remains at the lowest setting.
How do you know if you need a new thermostat?
- Heating or cooling system will not turn off or on.
- The temperature reading is incorrect.
- Recent spike in your energy bill.
- Frequent temperature fluctuations.
- Thermostat is 10 years old or older.
What will happen if thermostat is stuck closed?
Your vehicle’s thermostat opens to allow coolant to flow through the radiator and cool the engine down. However, if the thermostat gets stuck in the closed position, the coolant can’t flow through the radiator and can make your engine overheat.
Do you need to add coolant when replacing thermostat?
After replacing a thermostat, the technician should ensure all air pockets are removed from the cooling system. Otherwise, the vehicle will be more likely to overheat. After replacing the thermostat, refill antifreeze.
How long does it take to change a BMW thermostat?
It will take a mechanic between 1 to 2 hours to complete a thermostat replacement service. Depending on the shop you go to, labor can cost between $65 and $100 per hour, so call ahead to get a repair estimate.
Can you replace a car thermostat yourself?
Replacing a Car Thermostat: Step-by-Step Instructions. Replacing a car’s thermostat (or T-stat) is an easy and inexpensive repair. In most cases it will cure an overheating or no-heat problem, sparing the time and expense needed for expert diagnostics.
How long does it take to replace a car thermostat?
How long does a car thermostat replacement take? An average thermostat replacement takes around 1 hour, with some taking as little as 30 minutes. More problematic replacements can take a little longer where there are issues accessing an awkwardly positioned part or if it’s become seriously stuck in place.
How do I know if my BMW is overheating?
One of the easiest ways to identify an overheating engine is to touch the hood. If it is too hot to touch after 10 seconds, the engine is likely overheating. Another clear indicator of BMW engine overheating is steam escaping from under the hood.