Originally Posted by bmwdirtracer. 1 liter in the rear diff, 0.7 liters in the front diff. Don't forget to do the transfer case, using BMW fluid only. Just called bmw and yes you were right my apologies. The guy at the parts desk had made a mistake. He said rear diff takes about 1L and front diff 0.6L. And he said transfer case takes 0.69L.
Step 5: Refill the car with oil . Head into the engine bay and remove the oil filler cap. Then, pour in 5 litres of oil. It takes some time for the oil to move into the system before you can check the oil level. Wait 5 minutes and check the oil level on the dipstick. In the case you did Step 4 and added the ceramic coating an additive, pleaseThe petrol 28i and 35i have no dipstick port on the engine block or oil pan. The only way to measure the oil level is via the electronic sensor which mounts through a big hole centered on the bottom surface of the oil pan. +1 point for the 20d & 30d engines. -1 point for the 28i & 35i. Thanks Lotus.I just did, Oil change Mobile 1 with Mann filter $40. Manual trans flush LT4 Ravenol x 2L $20. Transfer case flush BMW fluid $50. Brake flush - ATE Type 200 $15. Total - $125 and about 2 hours of my time. On my wifes old X3 I did the automatic trans service kit with BMW fluid. I have a 2005 BMW X3 2.5 with 145,000 miles. I get an oil change every 3,000 miles. In between oil changes the oil lamp indicator turns on every 1,500 miles and I have to add 1 quart of oil. I recently put a piece of cardboard under my car overnight to detect a possible oil leak and the next morning I discovered a very small (size of a quarter .