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.
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Where is the thermostat located on a 2008 BMW 328i?

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.
How much is a thermostat for a 2008 BMW 328i?
2008 BMW 328i Thermostat – from $134.99+ | AutoZone.com.
How do you know when your thermostat is bad in your car?
Here are the signs your car thermostat is failing: The temperature gauge reads high and the engine overheats. The temperature changes erratically. The vehicle’s coolant leaks around the thermostat or under the vehicle.
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.
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.
Can I drive my 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 long do BMW thermostats last?
How long does a car radiator thermostat last? There is not a set time for the car radiator to stop working. However, most car experts recommend car thermostat replacement after 10 years.
What happens when you have a bad 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 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.
Is it easy to replace a car thermostat?
Replacing a car’s thermostat (or T-stat) is an easy and inexpensive repair, and in most cases will cure an overheating or no-heat problem, sparing the time and expense needed for expert diagnostics.
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.
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 much does it cost to replace BMW water pump?
Taking all these points into consideration, you can expect to pay anywhere from $375 to $787 (including parts and labor).
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 can I test my thermostat?
- Step 1: Reset the thermostat lower or higher.
- Step 2: Make sure the thermostat is ON.
- Step 3: Check the wiring.
- Step 4: Turn breaker back on.
- Step 5: Reexamine wires.
- Step 6: Wrap wires together.
Do you have to drain radiator to change thermostat?
With a normal top-mounted thermostat you need drain only part of the cooling system . Do not drain it while the engine is hot โ you may be scalded. Wait for the engine to cool. Drain the coolant from the radiator tap, or from the bottom hose, until it is below the level of the thermostat housing.
How do you test a BMW water pump?

Should thermostat be replaced with 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.
What are some symptoms of a failing water pump?
- Coolant Leak. The water pump has several gaskets that can be damaged or worn out over time.
- Engine Overheating.
- High Pitched, Harmonic Whining Noises.
- Water Pump Rust and Corrosion.
- Steam comes out from under your hood.
- Holes or leakage system on the dry side of the water pump.
Is it OK to drive with P0128 code?
Is it safe to drive with the P0128 code? The code will illuminate the check engine light, but you can still drive your car. It will not cause any hindrance or sudden shutting down of the vehicle. The only problem you’ll notice is the temperature gauge not reaching the optimal levels.
How do I know if my thermostat is stuck open or closed?
The temperature for the radiator hose should be lower than the temperature of the engine. If they are the same, then the thermostat is stuck in the open position. Take the temperature of the lower radiator hose as well. If there’s an imbalance between them, it’s probably a sign that your car’s thermostat is closed.
How do you unstick a thermostat?
- Park your car on a flat surface and allow the engine to cool.
- Locate the thermostat.
- Remove the radiator cap.
- Disconnect the radiator hoses from the engine.
- Replace the valves in the thermostat hoses.
- Top off antifreeze fluid levels.
Can a bad thermostat cause a blown head gasket?
A faulty thermostat will cause the coolant to overheat and blow a car’s head gasket. Several things can go wrong regarding the heating and cooling system, so you should try to keep up-to-date with its maintenance. If it’s necessary, replace the gasket with a new one or have an auto repair specialist help.