BMW E9x (E90, E91, E92, E93) 328i Manual Transmission Fluid Service (Drain and Fill)
Here is a quick DIY for draining and refilling the manual transmission fluid on your E9x (E90, E91, E92, E93) BMW 328i. Should be similar for 335 and M cars. Super quick and simple to do; hardest part is trying to keep things clean! All you need is a fluid pump, an 8mm hex/allen socket and some towels!
Here are some amazon affiliate links to fluid transfer pumps:
https://amzn.to/49QqZ9n
https://amzn.to/3SY42eh
Here are some links to the Redline 75W80 GL-4 manual transmission fluid that I used:
https://amzn.to/3sGXt5r (affiliate link)
https://www.fcpeuro.com/products/manu...
If you decide to replace your drain plugs, the part number is: 23117531356
https://www.fcpeuro.com/products/bmw-...
The torque specification for the drain and fill plugs are 26 ft/lbs.