#ValveStemSeals #HighOilConsumption #EngineFault #160tkmService #BMWF20 #BMWN13

00:00 The car currently consumes about one liter of oil per 1000 kilometers
When you start the cold engine, the oil ends up getting sucked down through the bad seal into the combustion area, producing a blueish smoke out of the tailpipe
In the previous episode, it was already stated that the compression pressures of the engine are fine.
At this point, I am 99% sure that it is time to replace the new valve stem seals in the engine
01:10 Lock the engine with locking tool!
First we need to get all pistons to be in the 90° position
Remove the timing chain tensioner
Lock the camshafts
03:44 Remove VANOS units
Release central bolt from exhaust vanos unit
Remove exhaust and intake VANOS unit
05:21 Remove exhaust camshaft
Remove bearing caps
06:29 Remove intake camshaft and return springs
Release guide block screw and then loosen the fitting screw
Remove intermediate levers, roller cam followers and alignment elements
12:14 Remove eccentric shaft / intermediate shaft
Eccentric shaft adjuster
Relax the intermediate shaft
13:50 Replace valve stem seals
Use valve Spring Tool Set for remove valve stem seals
Pressurize the cylinder so that the valves stay in place and do not drip into the cylinder
Remove valve keys with a magnet and then remove spring and spring cup
Remove valve stem seal and valve spring
20:39 Install eccentric shaft
Check all needle bearings of eccentric shaft for ease of movement
If one or more needle bearings are faulty, the complete eccentric shaft must be replaced
Adjust eccentric shaft minimum lift
22:59 Install intake camshaft and roller cam followers
Make sure roller cam followers are correctly seated
Make sure that rollers of intermediate lever are correctly guided on guide block
Check that the return spring is in the correct position on both intermediate levers
Check intermediate lever and roller cam follower again for correct installation position
28:05 Install exhaust camshaft
Put the exhaust camshaft roller cam followers
29:42 Install VANOS; intake and exhaust camshaft adjusters
Position exhaust camshaft adjuster at exhaust camshaft
The installation position of the camshaft adjusters can be freely selected
Next, position intake camshaft adjuster at intake camshaft
Pretension timing chain with special tool 009460 to 0.6 Nm
Install chain tensioner
32:02 Checking timing chain for elongation
Special tool (117200)
33:11 Checking the condition of the pcv membrane in the valve cover
33:54 Install valve cover
Secure bolts for cylinder head cover in the sequence 1 to 12
37:17 The final result after replacing the valve stem seals!
38:35 The gasket at the bottom of the sound insulation of the upper part of the bulkhead must not be damaged

Required parts for this maintenance procedure:
2 x 11367536087 Torx bolt for Vanos adjustment unit
1 x 11317607551 Tensioner for timing chain
1 x 11340033950 Valve seal kit (16 pcs. in a set)
1 x 11127582400 Valve Cover Gasket Set

Tools required:
1 x BMW TOOL 117440 Camshaft Timing Locking (98,29€)
1 x BMW TOOL 117110 Valve Pressure Spring Installer Remover Tool (72,90€)
1 X Torque Wrench for 0,6 Nm


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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