Vote4P3dr0 over on 850GS.com posted a great how-to for the oil change on these bikes. Since it's 2020 and we still don't have a service manual, I'm posting it here too so it has its own thread. Full credit to this user who did an amazing job on the write-up: BMW Recommended Oil: BMW Motorrad ADVANTEC ULTIMATE Original BMW Engine Oil 5W-40 Synthetic Engine Oil (3 Liters). 1 x 16mm OEM Copper Crush Ring (BMW Stock # 07 11 9 963 252) Note: Replace Every Oil Change. 1 x OEM Oil Filter (BMW Stock # 11 42 7 721 779) Note: The Short Oil Filter Is Replaced By A Long Oil Filter During The Running In Check. Note: As An Alternative You May Choose To Use Any Engine Oil That Meets The Following Standard: SAE 5W-40 API SL/JASO MA2. Step 1: Remove M16x1.5 Drain Plug Using A T50 Torx Socket And Drain The Oil. Step 2: Remove Sealing Ring (Copper Crush Ring). Step 3: Remove The M10x1 Oil Filler Plug Using A 5mm Hexagon Socket And Drain The Oil. Note: This Plug Is Directly Above The Main Drain Plug And Must Be Removed To Drain All Of The Engine Oil. Step 4: Remove The Oil Filter (Long Oil Filter Wrench BM Stock # 11 4 650) Note: The Short Oil Filter Is Replaced By A Long Oil Filter During The Running In Check. (Short Oil Filter Wrench BMW Stock # 11 4 661). Step 5: Clean The Oil Filter Sealing Face And Lubricate With Clean Engine Oil. Step 6: Install New Oil Filter Using Oil Filter Wrench # 11 4 650 (Torque To 11Nm or 8.11 ft-lb). Step 7: Install The M10x1 Oil Filler Plug Using A 5mm Hexagon Socket (Torque To 10Nm or 7.37 ft-lb). Step 8: Install The M16x1.5 Drain Plug With New Sealing Ring (Copper Crush Ring) Using A T50 Torx Socket (Torque To 25Nm or 18.43 ft-lb). Step 9: Remove The Oil Dipstick And Fill The Engine With Engine Oil (Engine Oil Capacity With Filter Change Is Approximately 3.0 Liters. Engine Oil Capacity Without Filter Change Is Approximately 2.7 Liters). Step 10: Install The Oil Dipstick And Run Motorcycle For Approximately 30 Seconds To Allow Oil To Circulate Then Turn Off The Motorcycle And Add Remaining Oil. Remove The Oil Dip To Check The Oil In Accordance With The Owner’s Manual. Note: (From Owner’s Manual) * Only Check The Oil Level After A Longer Journey Or When The Engine Is Warm. * Wipe The Area Around The Oil Filler Opening Clean. * Allow The Engine To Idle Until The Fan Starts Up, Then Allow It To Idle One Minute Longer. * Switch Off The Engine. * Make Sure Ground Is Level And Firm And Hold Motorcycle At Operating Temperature Vertically (With Center Stand). * Wait Five Minutes To Allow Oil To Drain Into The Oil Pan. * Remove Oil Level Dipstick And Clean Measuring Range With A Dry Cloth. * Fit The Oil Level Dipstick Onto The Oil Filler Opening, However Do Not Screw It In. * Remove The Oil Level Dipstick And Check Oil Level (Oil Level Should Be Between The MIN and MAX Marks). Note: Difference Between MIN and MAX Marks Is 0.5 Liters Of Oil. * Re-Install The Oil Dipstick When Complete. Here are some torque values: You can use this kit which has 4 oil filters + tool + washers you'll need: https://www.beemerboneyard.com/11427721779wck.html (don't forget ADVRIDER discount code for 10% off) I'm not going to tell you what oil to use User: Xyzzy on the same thread posted this tip which we used and it worked brilliantly: How to remove the oil filter without making a mess. 1 - Let bike cool off for about an hour. 2 - Put a sheet of aluminum foil over and around the catalytic converter. 3 - Scrunch the foil to create a trough. 4 - Put a catch basin under the foil. 5 - Poke a hole in the top and bottom of the oil filter with a nail and a hammer. 6 - Wait overnight and most of the oil will be out of the filter. The little that is left there still won't make a mess because it will just drop onto the aluminum foil. Only difference is, we didn't wait overnight just 15 minutes and the oil filter drained into the aluminum foil and down into the reservoir. No oil got on the exhaust or bike.