Learn how to service a ZF8 Transmission with fluid and pan filter replacement with me, on my 2020 BMW M340i xDrive!

BMW indicates their ZF8 Transmission has lifetime fluid inside their transmission sump.
Meanwhile, ZF who manufactures these transmissions says they should be serviced around 60,000 miles / 100,000 km.
I personally don't buy what BMW claims I don't believe there is any "lifetime fluid" out there on the market.
And therefore, here I am, servicing the ZF8 Transmission with fresh fluid and new pan filter change on my 2020 BMW G20 M340i xDrive.

Since my transmission is tuned with xHP, I have this performed earlier than the recommended service interval.
Note that if you have a mildhybrid model, the pan filter has a different design than the one I showcase, due to the placement of the addition startstop filter that doesn't exist on the nonmildhybrid models.

As ZF8 Transmissions are broadly used in modern vehicles, the procedures taken to service them are vastly similar to what I've showcased with other makes and models that use ZF8 as their transmissions.

By no means am I a professional mechanic, I am also trying to learn as I go, and to learn from my mistakes. If you do have any input or question, please feel free to drop them in the comments. I will try to address them as best as I can.

#m340 #m340i #bmw #b58 #diycar #bmwg20 #zf8


00:00 Intro
00:53 Lift the Car on All Four Corners (to Be Leveled to the Ground)
01:43 Removing Undercarriage Splash Shield
05:48 Main Work Starts: Cracking Open the Fill Plug
05:59 Removing Drain Plug
08:26 Removing the Transmission Fluid Pan 13x T40 Bolts
09:11 Cleaning the Mating Surface of Pan Gasket & Transmission
09:37 Visual Comparison Between Old & New Transmission Pan FIlter
11:23 Installing the New Transmission Pan Filter
11:58 Torquing all 13x T40 Bolts to 10 Nm
12:30 Measuring How Much Fluid We Have Drained
13:20 ColdFilling Till Overflows
13:50 Monitoring the Transmission Fluid Temp
14:46 ZF8 Filling Procedures Overview Start to Finish
15:51 Start the Engine Till It Reaches 30C 50C
17:36 Rev Engine to 2000 RPM for 30 seconds to Fill Torque Converter
18:22 Shift Around
19:21 WarmFilling Till Overflows
20:32 Torquing Fill Plug to 35 Nm
20:43 Cleaning Up & Checking for Leaks
21:15 Reinstalling Undercarriage Splash Shield
21:57 Conclusion & Keynotes

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