E90 BMW 335i N55 Engine Teardown - Project N55: Part 3
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- Опубликовано: 1 окт 2024
- In todays episode, we continue the tear-down on Ozzys N55 engine out of his 2012 BMW 335i xDrive. If you've watched our previous video, you'd remember the injector was snapped off and tip (just the tip) was left in the bore on Cylinder 6 causing a massive headache.
We removed the engine to not only service this broken injector, but to throw some go-fast parts at the vehicle while it's out. Step 1, refresh the engine and get it ready to be re-installed. Step 2, make power!
Stay tuned and see the carnage that awaits us with removing the N55's cylinder head!
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He's already gone this far I'd probably lap the valves while he's at it honestly
we will have to. I won't settle for a complete head refresh / rebuild at this point.
1:51 So yeah you can use anti-seize or whatever but in the electrical trade we have something called Pentrox Where do use it on massive power lugs.. In which case the actual body of the log is aluminum and the actual screw lug Is Steel and we use that with no problems at all and I have used in the past on engines as well with great success
CRC knock'er loose is you friend like WD40 but better
I've heard about that stuff, I'll have to find some!
Love the videos! I also live in Calgary, I have a speedtech single turbo kit, reFlex kit and port injection on order for my 2009 BMW 335xi E92 6spd manual car has 164k km (well maintained) would love to work on it with your team sometime in the spring, would be good content for the channel. Please get in touch with me if this is something of interest to you guys
hey! sorry it took a while to reply. I've never personally used the Reflex kit but the more I read, the more interesting it is. We can chat more in the coming months to touch-base and see if we can help, I've got a bunch of projects lined up so I'll see what I can manage to help! I've not installed the Speedtech kit but would be curious to do one!
Just a thought id pull rod and pistons and soak pistons and put new rings. Your doing rod bearings might as well. Be precise with tourqe spec on (updated bmw oem ) cam faster bolts. This will be the third failure point on n55 that cause catastrophic failure that bmw had a recall on but kept it low key. Also weld in a baffle shield in oil pan to keep oil constantly lubing crank mimic s55 pan lol. Under heavy sprited driving the oil moves to back of pan starving bearings... causing failure. Also upgrade the variable cam motor and gear also place a 4v inline fuse from variable cam motor harness to dme. When the vari cam motor fails it send a voltage spike to fry ecu not pretty. Enemy of all bmw motors is heat so e85, and a solid meth injection set up. You be solid for stage 2 plus + lol. One more thought run shell rotella t6 5w40 w/5k change interval. I know it diesel but it works. Has highest amount of detergents in it to combat carbon build up on piston control rings.
tons of awesome information! I really appreciate it! I'll start googling a few of the thjngs you suggested.
ideally I would do it all, unfortunately I'm at the whim of what the owner (my buddy) wants to do.
I'm definitely going to suggest at the minimum, the reliability mods. makes no sense to not do it all whole were in there.
Hi just stumbled upon your channel and like your work, I heard the 4 bolts behind the intake/ exhaust vanos gears used to be made out of aluminum and they switched to steel due to the aluminum ones shearing off. I think you can see it behind the intake and exhaust cam gears in the video around 11:25 - 11:40. I just wanted to ask the build date of the car if you have since it seems that the car has the updated steel bolts. Mine is a 02/12' build date just curious what the one in the video . I was hoping mine doesn't have the faulty aluminum bolts. Thanks in advance cheers and good luck with the build👍
hey! the one in the video is an early-2012 model, by the sounds of it, you likely have the upgraded bolts as well!