Things to replace at 120k miles
 

I am thinking of keeping my E70 X5 4.8 (n62) until 200k miles. I have already replaced the following main engine items in the past 30k miles (3 years time), aside from regular wear items like brakes, oil, filters etc.

1. Coolant reservoir
2. Coolant pipes
3. Transfer pipe and valley pan
4. Coolant rear pan (back of engine)

5. Valve cover seals/gasket
6. Spark plugs and coils
7. Vacuum pump seal
8. Timing cover seals/gaskets

9. Pulleys
10. Belts

11. Transmission fluid
12. Mechatronics sleeves

Do you guys know what else I should replace in the engine? Maybe engine and transmission mounts? How about suspension and steering parts?


Thanks!

Gear and transfer case fluid

Anything rubber.


All suspension parts. The glamorous stuff -bushings, arms, etc. There is a long list if you are interested. Just look up a parts diagram, replace every part with rubber

Check the rear, rearward upper control arms, (just did one of mine), upper front shock mounts, 3 plastic engine bay covers (run a long the firewall).
All i can think for now.

Fuel filter

Water pump and thermostat.

If it ain't broke don't fix it.
No telling how long it will last.

Rear door vapour barrier seal. they can sometimes break down at the bottom and leak water on the mats on wet days.
I just repaired 2 trucks recently that did that.

This may be covered under a recall on your X5.


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