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. If you add more than one quart, you may have a coolant leak.To make the float move from the minimum level to the maxim, you need less than a quart of coolant. Typically, you don’t need to add more than one quart/liter to top off the system.
Also, clean the cap, as there can be a buildup of solids, not allowing the rubber to seal the system and cause a leak. The cap may not be holding the pressure and could be leaking coolant.BMWs have specific coolant requirements to prevent buildup and corrosion of aluminum components, therefore do not use off-the-shelf antifreeze without checking compatibility. The most commonly used BMW engine coolant (PN: 82141467704) or a coolant that meets the requirements listed in your owner’s manual. Some models may have different coolant recommendations based on the region they are sold and manufactured.
#COOLANT LEVEL INDICATOR 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.
#COOLANT LEVEL INDICATOR 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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