Open the hood and locate the coolant reservoir. In most BMW models, this small black tank is to the left of the engine, but this isn’t always the case. Double-check your owner’s manual if you’re not sure what to look for.
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Where do you pour antifreeze into?

How do you check the coolant level on a BMW 535i?
Allow the engine to cool down before removing the cap from your coolant reservoir. Locate the coolant expansion tank, typically situated on the left side of the engine bay. Your owner’s manual will have information on where your coolant reservoir is located. Check the coolant level.
How do you check the coolant in a BMW 5 Series?

Can I drive my BMW with low coolant?
If the low coolant light comes on while driving, you should pull over at the first safe place you can. To avoid being burned, you need to wait at least thirty minutes for the engine and fluids to cool down. After cooling down, open your vehicle’s hood and check the coolant reservoir.
Is coolant the same as antifreeze?
Engine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. There are many different types of coolant, so it’s important to know what variety is right for your car or truck.
Do I put antifreeze in my coolant reservoir?
Does antifreeze go in the engine coolant? Once mixed with water, you simply pour antifreeze into the same place as the engine coolant: the expansion tank, or reservoir. It will then filter ’round the engine and mix with your coolant to make sure the liquid does not freeze.
Do I put coolant in the radiator or reservoir?
It depends, but generally, you can add coolant directly to the radiator of an older car if your reservoir is empty. However, you should always add coolant to the reservoir if you’re just looking to top off existing coolant. When adding coolant to the radiator, use a 50/50 mix of coolant to water.
Can I put antifreeze in my radiator?
You must not remove the radiator cap and add the coolant to the expansion tank under the hood. As long as the engine is not too hot, you can add your coolant. Just ensure the reservoir is warm. A too hot one can be catastrophic to the engine.
Where is the coolant BMW 535i?

What coolant does BMW 535i take?
Pentosin – Pentofrost NF (G11) Silicate European Concentrate Antifreeze / Coolant – 1.5 Liters (Part No. 8114117)
How do you top up BMW coolant?

What does the coolant light look like on a BMW?
Genuine BMW green HT-12 antifreeze for optimal cooling system performance. Compatible with all BMW models.
What is the best coolant for BMW?
This yellow warning light will come on when coolant levels are running low, to remind you to top them up. Avoid making any long journeys without enough coolant: you should stop and top up as soon as possible, otherwise you risk causing serious damage to your car.
Can you put water in a BMW instead of coolant?
Zerex G-48 Formula Full Strength Coolant The ZEREX G-48 coolant is ideal for BMW cars. Designed for both diesel and gasoline engines, the coolant has low-silicate, pH, anti-phosphate technology that protects all metals, like aluminum against corrosion.
What are the signs of low coolant?
- Rising Temperature Gauge Inclining Towards Red. After driving your car for some time, you become familiar with the position of your temperature gauge when everything’s okay.
- Heater Not Working or Supplying Hot Air.
- Poor Fuel Economy.
- A Sweet Smell.
How do I know if my BMW coolant is low?

Can I use water instead of coolant?
While you can drive the car for a short time using water in place of the coolant, it won’t effectively protect your engine. This means its essential to get the problem that caused a low coolant level fixed as soon as possible, and the radiator filled with a 50/50 ratio of coolant to water.
Does antifreeze affect AC?
Technically speaking yes you can use plain water in your cooling system but it isn’t recommended as a long term solution and certainly not in extreme weather conditions. The problem with using water in your cooling system is that water freezes at 0ยฐC.
What does low coolant do to your car?
Yes, antifreeze can affect how well your car’s air conditioning worksโ maybe not how you think. While your antifreeze helps keep your engine from overheating, air conditioning uses a different refrigerant. Essentially, they belong to two separate systems.
Should the coolant reservoir always be full?
Coolant helps pull heat away from the engine. So, without enough coolant, the engine could overheat or seize up. Continued use of an overheated engine could lead to permanent damage, such as pistons welding to the cylinders.
Why is my radiator empty but reservoir full?
Your coolant reservoir tank should be at least 30% full. Most reservoir tank has a min and max mark drawn on the side of the container. What is this? The most common cause of a coolant leak is a bad radiator cap, bad radiator fans, and loose radiator hose clamps.
What happens if you put too much coolant in the reservoir?
When the overflowing coolant reservoir does not return to the radiator the hot coolant that needs to be cooled down, means that there might be a leakage or clog of the radiator hoses that allow the flow of fluid from the coolant reservoir to the radiator. It can be a result of a damaged radiator cap.
How long should I wait to start my car after adding coolant?
When you overfill the coolant reservoir, there won’t be much space left for the heated coolant to expand. As a result of which, the pressure inside the reservoir would increase gradually. When this happens, the cap of the tank will open, and the hot coolant would pop out like a puddle of lava.
How do you know when your radiator is full?
