The BMW N55 valve cover gasket leak is a very common problem that can be difficult to fix, so make sure to watch this video to learn how to EASILY fix it!
We’ll go over the simple steps necessary to fix the leak and explain why the difference between a $700 repair and a $30 one. Don’t wait – watch this video now and get started on fixing your car!
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00:00 Replace the Valve cover or just the Gaskets?
01:26 Remove Bracing and Covers
02:40 O2 Sensors & Power Cable Disconnection
03:24 Ignition Coil & Wire Harness Removal
04:10 Access to the Rear Bolts
04:37 Fuel Rail Removal
06:46 Valve Cover Removal
07:47 Cleaning the leak
08:24 Placing on the Valve Cover
09:02 Torque Sequence
10:57 Fuel Line Install & Torque
11:45 Valvetronic Acuator Seal Install
12:10 Engine Cover Anchors Install
12:23 Breather Hose Install
12:44 Wire Harness & Ignition Coil Install
14:36 O2 Sensor & Oil Guide Install
15:05 Testing for Leaks
15:58 Install Covers and Bracing Torque
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Amazing repair breakdown! Thank you. I might actually want to attempt to replace my cover after watching this. I have noticed mine has started to leak slightly at 120k mi.
why didn't you opt for aluminum cover?
Which valve cover did you buy? I need to do mine
This looks pretty intense. About how long would you estimate it took you? Did you have leaking around the valve cover or was this preventative?
I've got a 2016 thats approaching 60k miles. Havent has to do the OFHG yet but I've got the kit waiting. Have you also reolaced the coolant pump on yours?
Love your videos man, so detailed and easy to understand. I bought an M235 and the previous owner did not maintain it at all, so it needed a lot of work and I could not have gotten it back in good running order without your videos. Thank you so much for what you do!!!
A mechanic let me know that they found a tiny amount of metal glitter in my oil filter. ('13 N55 335i with 100K miles). They said to just keep an eye on it and it could even be normal. They did an OFHG job and checked the filter. OFHG job was done early last year, but since then the gasket kept leaking and bolts became loose on their own. I finally abandoned that shop and brought it to a new place where they correctly fixed the issue. It was then they noticed the filter glitter.
I'll be sending oil to Blackstone.
Another shop recently did a BG EPR engine flush treatment. Could this have caused temporary glitter? Or am I heading to rod bearing issues?
BG commented that the flush might have broken loose all of the particles that were stuck somewhere attached to grime and sludge from years back and that's what is now in the filter.
Oil changes have been done every 5K miles for the past 3 years during my ownership. The car drinks oil pretty fast when using 5W30. Upon switching to 5W40 it has been normal.
No codes apart from a rare Vanos code that comes maybe once every 2 months, claiming that adjustment is not possible.
Have you had any glitter in filters?