Morning William Welcome to the Forum
With your car I have read its all underneath behind access flaps in the shielding underneath.
Take a look at www.newtis.info it is a BMW Technical Information site (same as Dealers use) you should find everything you need there regarding service information, socket sizes and torque settings. You can also use www.realoem.com to ensure you have the correct part numbers for service parts and other spares, put the last 7 digits of your Vin Number into the search box it will bring up your model.
Dave