🧪Fluid Capacities

BMW X4 M40i Fluid Capacities

Factory fluid capacity for the BMW X4 M40i.

Last updated: 2026-10-31 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2020-2024 BMW X4 M40i: 1.21 LBS. (0.54 KG) — R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790.

GenerationYearsTop spec
2020-20242020-20241.21 LBS. (0.54 KG) — R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790
20192019— PAG 46
2016-20182016-2018— PAG 46

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BMW X4 M40i: choose your year, then confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

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BMW X4 M40i maintenance schedule

Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your BMW X4 M40i

2020-2024 BMW X4 M40i: 1.21 LBS. (0.54 KG) — R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790.

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

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Open the factory manual above to confirm the exact engine before ordering parts.

2020-2024

2020-2024Open 2020 manual
Air Cond Refrigerant1.21 LBS. (0.54 KG) — R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790
Automatic Transmission Fluid9.81 QTS. (9.28 L) — Automatic Transmission Fluid ATF+3
Brake Fluid— BMW Brake Fluid DOT 4 with low viscosity
Differential Gear Oil— Hypoid Axle Oil G3 (Fuchs Titan EG 4218) Only for Rear differential, not for hang-on clutch (HOC)
Engine Coolant4.45 QTS. (4.21 L) — Frostox HT-12 antifreeze and corrosion inhibitor
Engine Oil (3.0L Eng)6.90 QTS. (6.52 L) — BMW TwinPower Turbo LL17FE+, SAE 0W-20
Windshield Washer Fluid
Notes
  • →The nameplate in the engine compartment indicates which refrigerant has been used.
  • →BMW Part No. 83 22 2 365 988.
  • →Top-up amount of coolant (2.13 qts.) in the event of repair with desconnected coolant hoses.
  • →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.
Check Fitment on Amazon →Full Repair Guide →

2019

2019Open 2019 manual
Air Cond Compressor Oil— PAG 46
Air Cond Refrigerant1.20 LBS. (0.54 KG) — R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790
Automatic Transmission Fluid9.30 QTS. (8.8 L) — Automatic Transmission Fluid ATF+3
Brake Fluid— BMW Brake Fluid DOT 4 with low viscosity
Differential Gear Oil— Hypoid Axle Oil G3 (Fuchs Titan EG 4218) Only for Rear differential, not for hang-on clutch (HOC)
Engine Coolant4.45 QTS. (4.21 L) — Frostox HT-12 antifreeze and corrosion inhibitor
Engine Oil (3.0L Eng)6.90 QTS. (6.52 L) — BMW High Performance Synthetic Engine Oil, SAE 0W-30
Windshield Washer Fluid
Notes
  • →See Underhood Decal for oil capacity.
  • →The nameplate in the engine compartment indicates which refrigerant has been used.
  • →BMW Part No. 83 22 2 365 988.
  • →Top-up amount of coolant (2.13 qts.) in the event of repair with desconnected coolant hoses.
  • →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.
Check Fitment on Amazon →Full Repair Guide →

2016-2018

2016-2018Open 2016 manual
Air Cond Compressor Oil— PAG 46
Air Cond Refrigerant0.95 LBS. (0.43 KG) — R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790
Automatic Transmission Fluid8.98 QTS. (8.49 L) — Automatic Transmission Fluid ATF+3
Brake Fluid— BMW Brake Fluid DOT 4 with low viscosity
Differential Gear Oil— Hypoid Axle Oil G3 (Fuchs Titan EG 4218) Only for Rear differential, not for hang-on clutch (HOC)
Engine Coolant7.95 QTS. (7.52 L) — Frostox HT-12 antifreeze and corrosion inhibitor
Engine Oil (3.0L Eng)6.90 QTS. (6.52 L) — BMW High Performance Synthetic Engine Oil, SAE 0W-30
Windshield Washer Fluid
Notes
  • →See Underhood Decal for oil capacity.
  • →The nameplate in the engine compartment indicates which refrigerant has been used.
  • →BMW Part No. 83 22 2 365 988.
  • →Top-up amount of coolant (2.13 qts.) in the event of repair with desconnected coolant hoses.
  • →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.
Check Fitment on Amazon →Full Repair Guide →

Parts and supplies

These links search for related products. Check your year, engine, specification, and fitment with the seller before ordering.

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Check fitment

BMW X4 M40i Fluid Service Kit

Confirm the specification and fitment for your exact vehicle before ordering.

Check Fitment on AmazonSearch PartsGeek →
Related supplies to consider

Long-Neck Funnel

Transmission and differential fill holes are recessed. A short funnel makes a mess.

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Fluid Extraction Pump

Removing old brake fluid from the reservoir without a pump contaminates the master cylinder.

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We earn a small commission if you buy through these links — at zero extra cost to you. These are search results, not verified vehicle-specific recommendations.

Fluids — Manual's Parts List

Everything for a full fluid service weekend.

Vehicle-Scoped Amazon Search

Opens Amazon with BMW X4 M40i prefilled so you can confirm fitment and avoid wrong parts.

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One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

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Shop →

Fluid Extraction Pump

Cleanly remove old fluids from reservoirs.

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Shop →

Clean Shop Rags

Lint-free rags for cleaning dipsticks and spills.

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Shop →

Multi-Purpose Funnel

Long-neck funnel for hard-to-reach fill points.

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Shop →

Nitrile Gloves

Keep hands clean during multi-fluid maintenance.

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View All →

Project Essentials

Basic tool sets, gloves, and cleaning supplies for your BMW X4 M40i so the job is ready when the parts arrive.

Frequently Asked Questions

What fluid capacities does a BMW X4 M40i use?
2020-2024 BMW X4 M40i: 1.21 LBS. (0.54 KG) — R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790.
Why do fluid capacities vary by generation for the BMW X4 M40i?
Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-10-31

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