BMW i3 Coolant Type: Optimal Cooling for Performance and Longevity
Maintaining proper cooling is critical for the BMW i3’s performance and reliability. The correct coolant type ensures efficient heat dissipation, protects engine components, and prevents costly damage—making it essential for any owner or technician.
BMW i3 Coolant Type Specification
The BMW i3 uses a specialized coolant blend designed for its compact, rear-engine layout. Typically, a high-performance organic acid technology (OAT) coolant with a 50:50 mix of manufacturer-recommended coolant and distilled water is recommended. This formulation prevents corrosion, resists boiling, and maintains stability under varying temperatures, crucial for the i3’s electric powertrain and thermal management system.
Why Correct Coolant Matters
Using the wrong coolant—such as conventional radiator fluid or generic mixes—can cause severe issues like metal oxide buildup, reduced heat transfer, and engine overheating. This compromises efficiency and shortens component life. The BMW i3’s cooling system is engineered to work with specific formulations, making proper coolant selection vital for long-term durability and warranty compliance.
Installation and Maintenance Tips
When replacing coolant, always drain the old fluid completely and flush the system using a proper decontaminant. Refill with the certified OAT-based coolant using the exact 50:50 ratio. Regular inspections every 10,000–20,000 km ensure optimal performance. Consult the owner’s manual or a BMW-certified technician to confirm compatibility with your model year and cooling specifications.
Choosing the right coolant for your BMW i3 isn’t just a maintenance task—it’s a key step in preserving performance and reliability. By using the recommended OAT-based blend, owners can safeguard their vehicle’s efficiency and extend its lifespan. Stay proactive with coolant checks and maintenance to enjoy smooth, trouble-free driving every day.
Castrol Edge 2.6 litres REX coolant = BMW G48 spec = blue, nitrite & amine free = mixable or replaceable with: Electric machine coolant = G48 Castrol Radiocool NF or BMW Antifreeze 82192 211913 or BMW HT12 Green or Magenta Heater circuit = only "i3 coolant" not mixable with any other type - BMW 83512355296 (blue, silica free, previously green). Order BMW i3 Antifreeze/Engine Coolant online today. Free Same Day Store Pickup.
Check out free battery charging and engine diagnostic testing while you are in store. Recommended engine oil, transmission fluids, coolant type, filling capacities and service intervals for BMW i3 I01 2013. From a post on an i3 online forum: REX oil 5W30 SJ spec eg.
Castrol Edge 2.6 litres REX coolant = BMW G48 spec = blue, nitrite & amine free = mixable or replaceable with: Electric machine coolant = G48 Castrol Radiocool NF or BMW Antifreeze 82192 211913 or BMW HT12 Green or Magenta Heater circuit = only "i3 coolant" not mixable with any other type - BMW 83512355296 (blue, silica free. We recommend Genuine BMW coolant. BMW's blue G11 coolant is designed to promote heat transfer and prevention of corrosion throughout your cooling system.
Genuine BMW coolant is nitrate and phosphate free. Note that BMW coolant must be diluted with distilled water to a 50:50 mixture before adding to vehicle. 2018 BMW i3 coolant info.
What type of coolant does my 2018 BMW i3 need? How much? How long does it last? Shop wholesale-priced BMW i3 Antifreeze And Coolant online at BMWPartsDeal.com. Guaranteed Genuine BMW Antifreeze And Coolant.
Backed by BMW's warranty. The 2 front coolant systems The heater circuit coolant is not mixable with any other, only "i3 coolant" BMW part 83512355296, blue, silica free, previously green. Electric machine = BMW G48, blue, nitrite & amine free, mixable or replaceable with: Castrol Radiocool NF or BMW 82192 211 913 or 194 or HT12 REX coolant in rear = same as E.M.
as above. Low prices on Engine Coolant and Antifreeze for your BMW i3 at Advance Auto Parts. Find aftermarket and OEM parts online or at a local store near you.
Recommended antifreeze for radiators of BMW i3. Find out how much coolant does your car need. Car A Rac presents recommended by manufacturers types for all popular vehicles.