Quick Lookups: Fluids

2021 BMW 430i 2D ConvertibleSECTION Fluids
FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Air Cond Refrigerant 1.20 LBS. 0.54 KG R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790 The nameplate in the engine compartment indicates which refrigerant has been used. S
Automatic Transmission Fluid 9.30 QTS. 8.8 L Automatic Transmission Fluid ATF+3 S
Brake Fluid N/A N/A BMW Brake Fluid DOT 4 with low viscosity S
Differential Gear Oil Rear Axle N/A N/A Hypoid Axle Oil G3 (Fuchs Titan EG 4218) Up to 02-2020. From 03-2020: Hypoid Axle Oil G5 (Fuchs Titan EG 4399) S
Engine Coolant High Temperature Coolant Circuit 10.36 QTS. 9.8 L Frostox HT-12 antifreeze and corrosion inhibitor Top-up quantity of coolant in the event of repair with disconnected collant hoses. Observe the mixture ration and filling level. (2.11 qts). S
Engine Coolant Low Temperature Circuit 4.44 QTS. 4.2 L Frostox HT-12 antifreeze and corrosion inhibitor S
Engine Oil w/Filter 5.55 QTS. 5.25 L BMW TwinPower Turbo LL17FE+ 0W-20, BMW Part No. 83 21 2 461 988 S
Windshield Washer Fluid N/A N/A Fill with water and - if required - with a washer antifreeze (according to manufacturer's recommendations). Mix the washer fluid before adding it to the reservoir. S
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.