BMW hasn’t officially published whether they factory fill M cars with different fluids AFAIK, but all receive a 1200mi (~2k KM) service where engine, manual gearbox, and differential oil are changed. They also take the car out of break-in mode allowing the car to run its most aggressive ignition maps (supposedly). Multiple master techs I’ve talked too have all note that the break-in fluids have a different color and smell than the new fluids.
Confirmation otherwise.
Here is a uoa (done by Polaris Labs) of the factory fill from a 2013 BMW M3. BMW requires the oil on M cars to be changed at the first 1200 mi. Thereafter the factory oci is 15k mi. The service fill for the M3 is Castrol Edge TWS 10w60, an oil made exclusively for some M cars. For comparison sake, the voa of the service fill is here:
https://bobistheoilguy.com/forums/posts/2989167/
I did the 1200 mi uoa primarily to dispel what I believe is the myth of the need to "wash out" wear metals during the break-in. The fact that BMW requires a 1200 mi drain of the factory fill on M cars has...