New High Mileage F10 M5 Owner what should I focus on doing for maintenance?

[F10.gski]

Hello everyone I just purchased a 2014 f10 m5 with nearly 100,000 miles on it. The service history was very good on the car with oil changes being done regularly at BMW service centers.

After doing some research I saw that the rod bearings could be an issue but other sources say they aren't an issue on the S63TU.

Additionally saw that upgrading the thermostat so that it opens up at a lower temp than stock is beneficial for the engine life.

And then additionally the I know with the car being just at 100,000 miles I will have to replace the Vanos solenoids.

Does anyone have any experiences with this as well as any recommendation in what parts to use?

[AlexB7RS4]

Originally Posted by F10.gski

Hello everyone I just purchased a 2014 f10 m5 with nearly 100,000 miles on it. The service history was very good on the car with oil changes being done regularly at BMW service centers.

After doing some research I saw that the rod bearings could be an issue but other sources say they aren't an issue on the S63TU.

Additionally saw that upgrading the thermostat so that it opens up at a lower temp than stock is beneficial for the engine life.

And then additionally the I know with the car being just at 100,000 miles I will have to replace the Vanos solenoids.

Does anyone have any experiences with this as well as any recommendation in what parts to use?

Common maintenance items:
- Rod Bearings. ACL Race bearings are the best here. Can be done in-car. Get oil analysis done to check for metal.
- Valve stem seals. Check for smoke from exhaust - best method: Let the car idle for about 10min, then blip the throttle - if you see smoke coming out, VSS need changing.
- Injectors
- Coils & Plugs
- Full oil change - engine, diff, transmission

That's the main ones. I haven't heard as much about VANOS solenoids failing in this car.

There's a good vid on the S63TU on YouTube recently put up by FCP Euro.

Good shops to look at pricing:
Schmeidmann
FCP Euro
ECS Tuning
Trodo Latvia
Partsgeek

[B58]

Usually the rod bearings fail when the oil get diluted with fuel. You can always do oil samples with Blackstone analysis to see if any aluminum materials are found. The main culprit for the fuel dilution is the high pressure fuel pumps leaking internally and injectors. You can get Bosch replacements for fairly cheap. You don't need to upgrade the thermostat. If you run the engine in sport plus mode you'll notice your oil temp dropping because it commands it to run cooler.