Next you will find documentation from the Bentley manual on how to change your oil in a E46. Last you will find the official directions from ZF on how fill and check the ATF Fluid. So, in conclusion, your ATF should be changed. If done correctly this will not cause any problems to your automatic transmission. Most problems if any that occur

How to Change your Transmission Fluid | Jeep Wrangler TJNSG 370 Transmission:Use ~2qts of Redline MT-90or MOPAR P/N: 4874464Torque to 22 ft-lbs

Items I used:Transmission Plug crush washers:
Transmission fluid is designed to work at high temperatures, but it’ll break down over time. You should check it regularly and perform transmission fluid changes every 60,000 to 100,000 miles. Follow the step-by-step guides in this article for checking and changing your transmission fluid in your automatic-transmission car.

Instruct enlisted human to start the car. With the engine running and the transmission in PARK, remove the level plug with the vehicle running.This should be an 11mm bolt. Any excess fluid will drain out of the transmission. If nothing drains out of the transmission, add more fluid to the transmission until it does.

Step 1 - drop the pan and remove all fluid and replace the filter. Step 2 - replace the fluid in the pan. Step 3 - look under the Jeep, passanger side and follow the lines going to the oil cooler. Find the block where the 4 lines go into it and remove the thermostat from the bottom of it. OjkPgZx. 284 545 869 589 756 948 151 704

how to change automatic transmission oil