It is possible that you need to add more coolant. Run the car for one minute and recheck the coolant level. The car was either neglected or extremely low in the coolant. If you are extremely low in coolant, you may get the low coolant warning light even if you add coolant. There may be an electrical issue with the sensor causing it to trigger the warning message. You must first inspect the coolant level sensor if your BMW has one. It is possible to get a Coolant Level too Low warning even if you add coolant. The coolant level is full, but I still get a low coolant warning light.
#BMW LOW COOLANT LIGHT FREE#
If your BMW is under warranty, take your car to the dealer, and they will top off the cooling system free of charge.This will ensure you didn’t overfill the system. If you suspected an air pocket in the engine and used this method, recheck the coolant level with the engine off. Allowing the BMW to idle and setting the heat on allows the air pockets in the cooling system to escape.Keep your face and body as far away as you can.If you are stuck on the side of the road and have no choice but to add coolant, remove the expansion cap very slowly. Let the engine cool down for at least thirty minutes to avoid getting burned. The coolant system pressurizes and will still be hot if you remove the cap right after the engine runs. Always check the BMW coolant level when the car is cold, and the engine is turned off.It operates differently than most coolant systems that have an overflow reservoir. BMW uses a closed pressurized coolant system with an expansion tank.If you constantly add coolant to your BMW or add more than one gallon of antifreeze, you may have a major coolant leak or a serious engine problem, such as a blown head gasket.
#BMW LOW COOLANT LIGHT MANUAL#
It’s important to note that checking the owner’s manual of your specific BMW model and year is always recommended. Rember, the level reading should be performed on a cooled-down engine for proper measurement. A schematic diagram is stamped on top of the coolant reservoir, illustrating the minimum and maximum level. In other words, the BMW coolant level is correct if the red float is aligned with the top edge of the filler opening. If the float is sticking up, your BMW coolant level is full. If the float is down, you need to add coolant.
#BMW LOW COOLANT LIGHT FULL#
The level is full when the bottom of the float reaches flush with the top of the cap. The red float may have two balls, indicating the low and the second indicating the full level. It will allow residual pressure to release without blowing off the cap.ĭetermine the coolant fluid level. Some BMW models, such as the 3-series, have the coolant expansion reservoir on the engine bay’s right side. This is the typical coolant expansion reservoir location. Locate the coolant expansion tank in the engine bay. As you open the hood, look at the left of the engine bay.Open the hood. Pull the hood release under the dash twice.Allow the engine to cool down. Ensure the engine is cooled down before removing the cap from your coolant reservoir or risk getting burned.Park the BMW in a safe location and set the parking brakes.For this procedure, you will need OEM BMW Engine Coolant recommended in your owner’s manual and mixed at 50/50. Caution: Risk of scalding!įollow these easy steps to check the coolant level on any BMW. Message: Risk of engine damage! Top up the coolant at the earliest opportunity see the owner’s handbook.Coolant warning on, then off after driving.Message on iDrive stating Low engine coolant level.
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