2003 bmw 325i thermostat

Is a 2003 BMW 325i a good car?

2003 BMW 325i Ratings Overview 25 car owners like you reviewed their 2003 BMW 325i . The average rating is a 3.8 out of 5 stars.

What causes a BMW 325i to overheat?

What are common reasons my BMW 325i overheats ? While there are a variety of reasons your BMW 325i is overheating , the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.

What oil does a 2003 BMW 325i take?

Valvoline Synthetic Motor Oil 5W-30 5 Quart.

How much is a thermostat for a BMW?

The average cost for a BMW 328i thermostat replacement is between $321 and $382. Labor costs are estimated between $179 and $226 while parts are priced between $142 and $156.

Is it a bad idea to buy a used BMW?

When purchasing a used BMW , it’s important to be aware of the depreciation. BMWs can be more expensive to maintain than non-luxury cars and older model parts can be hard to come by. Remember, luxury vehicles, no matter the year, require higher quality gasoline, oil, and tires than most other vehicles.

What is high mileage for a BMW?

High miles is no real problem especially for a BMW but saying that the car has to have been looked after well and regularly serviced with some if not full service history but most components do need replacement after 100000 miles on BMW cars so make sure to do thorough checks on one around that mileage.

What are signs of a bad thermostat?

Symptoms of a Bad or Failing Thermostat Temperature gauge reading very high and engine overheating . The first and potentially most alarming symptom will be the temperature gauge reading high into the red within the first 15 minutes of your vehicle engine running. Temperature changing erratically. Coolant leaks around the thermostat housing or under the vehicle.

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How do I know if my BMW thermostat is bad?

If your thermostat fails, the Service Engine Soon light will come on. They’re designed to fail open; this keeps coolant flowing. If they failed shut the engine would almost immediately overheat. In addition to the SES, if it does fail open, you won’t have much heat from the heater.

Why would a BMW overheat?

Coolant Leak Your BMW’s engine requires coolant in order to regulate the temperature of the engine. Inadequate coolant flow or coolant leaks are one of the number one reasons for engine overheating ; without coolant, the engine can’t maintain it’s optimal temperature.

How much oil does a 2003 BMW 325i take?

6.9 quarts

Which oil is best for BMW 325i?

Castrol High Mileage 5W-30 Motor Oil is a part synthetic motor oil engineered to provide wear protection in higher-mileage vehicles by protecting against thermal and viscosity breakdown.

Can I drive my car with a bad thermostat?

Most automobile mechanics will tell you it is not a good idea to drive your car without a thermostat installed. If your thermostat becomes stuck in the closed position, though, this will cause your engine to overheat and make driving your car impossible.

Why do BMW Water Pumps Fail?

BMW water pumps in particular can begin to fail near the 80,000-mile mark. The water pump is made of a plastic material, and over time it’s normal for the plastic to begin cracking and corroding. Other issues with water pumps could be due to problems with the bearing or the impeller pieces.

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How does a BMW thermostat work?

A BMW thermostat controls the flow of coolant from your BMW engine through the radiator. Only then does the BMW thermostat open and allows coolant to move through your radiator for engine cooling, adjusting flow rate to ensure safe operating temperatures under all conditions.

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