Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Bmw M5Transmission Fluid Type & Capacity
OEM transmission fluid spec from the factory service manual for the 2018-2023 (2018-2023).
Quick Answer
Transmission Fluid
9.20 QTS. (8.7 L) — Automatic Transmission Fluid 3 and Automatic Transmission 3+ can be mixed with each other. Note: The automatic transmissions have a extended oil filling. These transmissions require no oil change for their entire service life. The approved lifetime fluid must be used after repairs on the transmission or transmission oil cooler. The lifetime oil must not be mixed with or replaced by other types of automatic transmission fluid as this will cause transmission failure.
Notes
- →The automatic transmissions have a extended oil filling. These transmissions require no oil change for their entire service life. The approved lifetime fluid must be used after repairs on the transmission or transmission oil cooler. The lifetime oil must not be mixed with or replaced by other types of automatic transmission fluid as this will cause transmission failure.
This vehicle's factory manual
The spec is above. This opens the 2021 Bmw factory books so you can go into the M5 procedure.
What You'll Need
Related for Your 2021 Bmw M5
Frequently Asked Questions
- What transmission fluid does a 2021 Bmw M5 use?
- The 2021 Bmw M5 uses 9.20 QTS. (8.7 L) — Automatic Transmission Fluid 3 and Automatic Transmission 3+ can be mixed with each other. Note: The automatic transmissions have a extended oil filling. These transmissions require no oil change for their entire service life. The approved lifetime fluid must be used after repairs on the transmission or transmission oil cooler. The lifetime oil must not be mixed with or replaced by other types of automatic transmission fluid as this will cause transmission failure..
- How much transmission fluid does a 2021 Bmw M5 take?
- Refer to the factory service manual for the exact transmission fluid capacity.
- When should I change the transmission fluid in my 2021 Bmw M5?
- Most manufacturers recommend transmission fluid changes every 30,000–60,000 miles for automatics. Check your factory service manual for the exact interval.