Step 13: Refill the cooling system. Use a 50/50 mixture of antifreeze and distilled or demineralized water to refill the cooling system. Step 14: Bleed all the air out. To get all the air out of the cooling system, you will need to start the vehicle, turn the heater on high, and allow the vehicle to achieve normal operating temperature.
1144 posts · Joined 2009. #8 · Apr 7, 2017. Someone posted a B58 coolant flush PDF from ISTA+ on here but didn't include the low temp system. That's what I'm after. Sent from my iPhone using Bimmerfest mobile app. 2016 340i XDrive, Estoril Blue / Black, 6 MT, M Sport, Track, Lighting, Technology, Driver Assistance Plus, Cold Weather. 2012 Z4BMW E60 E61 COOLANT TEMPERATURE SENSOR LOCATION REPLACEMENT 523i 525i 528i 530i 535iIf you have BMW 5 series E60, E61 and you need to replace the coolant temIf your coolant is low, then it might be a sign of an underlying problem, and you need to bring your car to the automotive service center as soon as possible for an inspection and maintenance. The following are some of the reasons your vehicle might be low on coolant: leak in reservoir/overflow tank. leak in radiator. leak in radiator hoses. I figured out the issue. It’s the coolant fan power supply 12V relay. Located in trunk behind fuse box under the trunk lining. It’s hooked up to 200amp power source. When it’s faulty it will send coolant fan in safe mode and stops coolant flow also sending engine in reduced power mode. How do you put coolant in a 2006 BMW 750Li? Find Reservoir – Locate the coolant reservoir and clean it. Check Level – Determine the coolant level. Add Coolant – Determine coolant type and add fluid properly. Replace Cap – Secure the coolant reservoir cap. bmtGQ.