COMPRESSION TEST of CYLINDERS HIGH OIL CONSUMPTION ENGINE FAULT 160 tkm SERVICE BMW F20 engine N13
#CylinderCompressionTest #HighOilConsumption #EngineFault #160tkmService #BMWF20 #BMWN13


As in the previous episodes, I do a 160 tkm service for my BMW F20 car
Let's continue where we left off in the last episode!
The car currently consumes about one liter of oil per 1000 kilometers
It's time to do a compression test on the cylinders to find out if there is something wrong there!
Disconnect the fuel pump 20A fuse from fuse slot F165
Drain the fuel lines at idle
Remove the ignition coils and spark plugs
Press the gas pedal to the bottom and crank the engine 510 times, or until the needle on the compression gauge stops ratcheting up
Referring to ISTAD, a normal compression test result is 8 to 15 bar, i.e. 116 to 217 psi
The compression pressures of the cylinders are fine and in line
It seems that the valve stem seals are worn and need to be replaced
Blue smoke comes from the exhaust pipe when starting or when the car has been stationary for a short while
The oil gets through the rubber seals of the valves into the combustion chamber of the cylinder, causing the oil to burn in the cylinder and cause blue smoke
New valve stem seals have been ordered, so it's time to replace them!
In the next episode I will start the project first by cleaning the fuel injectors, and after that the valve stem seals will be replaced

Let’s continue with the next episode! Stay tuned!


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Watch my previous videos on Youtube related to the maintenance and diagnose of BMW F20 with engine N13!
See the whole series from here:
   • BMW F20  Diagnosis and maintanence  


My purpose is to encourage people to do things themselves!
Plus, this is a nice hobby for myself and at the same time I have the opportunity to save a lot of money by doing all the maintenance myself!
I’m not a professional with cars or motorcycles, I just want to learn how to do things myself.
If you do this service yourself, always check the correct instructions in the official service manuals. This is just my way of doing it!

Jani Voutilainen


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