BMW X3 Transmission Fluid
Factory manual transmission fluid type & capacity for the BMW X3. Exact capacities and specs extracted from the LEMON service manual archive.
Last updated: 2026-10-29 • Reading time: 8 min • By AllOEMManuals Editorial Team
Quick Answer
2020-2021 BMW X3 ATF: 9.80 QTS. (9.27 L) — Automatic Transmission Fluid ATF+3.
| Generation | Years | Top spec |
|---|---|---|
| 2020-2021 | 2020-2021 | 9.80 QTS. (9.27 L) — Automatic Transmission Fluid ATF+3 |
| 2015-2019 | 2015-2019 | 8.98 QTS. (8.49 L) — Automatic Transmission Fluid ATF+3 |
This vehicle's factory manual
The spec is above. This opens the 2020 BMW X3 factory book. Use another year if yours is older.
Know the exact transmission fluid job for your BMW X3
2020-2021 BMW X3 ATF: 9.80 QTS. (9.27 L) — Automatic Transmission Fluid ATF+3.
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.
Exact Vehicle Check
The button opens the factory book for this vehicle. Use the engine picker only when your trim is not the one this page already matched.
2020-2021
2015-2019
Manual already checked Amazon for you
You came here for the exact spec. Now here is the exact part — plus the two things people always forget and have to run back to the store for.
BMW X3 Transmission Fluid
Wrong ATF destroys transmissions. Get the exact spec for your BMW X3.
We earn a small commission if you buy through these links — at zero extra cost to you. We only suggest items that match the factory specs on this page.
Transmission Fluid — Manual's Parts List
Wrong fluid destroys transmissions. Get the exact spec.
- 1Transmission FluidShop →
9.80 QTS. (9.27 L) — Automatic — ATF or CVT, exact spec only
- 2Drain Plug WasherShop →
Soft aluminum — reuse it and it will leak
- 3Fluid Transfer PumpShop →
No dipstick on modern transmissions — fill from below
- 4Shop RagsShop →
ATF stains everything
Get everything at once
One search shows all of the above on a single page.
Links go to Amazon via our affiliate store (aiautorepair-20). We earn a small commission at no extra cost to you — it keeps the site running and the data free.
One-Trip Shopping List
Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.
Transmission Fluid
Must match the specific ATF or CVT spec for your car.
Fluid Transfer Pump
Crucial for filling "sealed" transmissions from below.
Transmission Filter
Recommended when performing a full pan service.
Drain Plug Washer
Prevents seepage after a drain-and-fill service.
Shop Towels
Cleanup gear for ATF spills and pan work.
Project Essentials
Basic tool sets, gloves, and cleaning supplies for your BMW X3 so the job is ready when the parts arrive.
Frequently Asked Questions
- Where is this data from?
- Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
- What transmission fluid does a BMW X3 use?
- 2020-2021 BMW X3 ATF: 9.80 QTS. (9.27 L) — Automatic Transmission Fluid ATF+3.
- When should I change the transmission fluid in a BMW X3?
- Factory service manuals typically recommend transmission fluid changes every 30,000–60,000 miles for automatics and 60,000–100,000 miles for manuals under normal use. Severe service intervals are shorter. Check your maintenance schedule for the exact mileage.
Get the Complete Maintenance Schedule for BMW X3
Oil, filters, belts, brakes, and fluid intervals sent to your inbox. Unsubscribe anytime.
Not sure you want to DIY? Compare local shop pricing first.
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: 2026-10-29