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      01-23-2013, 10:46 PM   #1
shah269
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BMW 335 Valve Cleaning N54 Video

Guys I just saw this on youtube.
Not sure if it's a repost or not.
Hope you enjoy viewing it as much as I did.
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      01-25-2013, 07:01 PM   #2
Adam135
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Isn't it difficult to know if a valve is fully seated? We heard about an engine not running right after a valve cleaning, which was likely caused by foreign matter getting into the cylinder. Seems like it would be really easy to do.
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      01-27-2013, 10:34 PM   #3
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sigh...yeah...i guess it's walnut blast or nothing? I think eventually the oil companies will have to start adding a low temperature high volatility cleaner of some sorts?
Something, anything that will evaporate from the crank case, travel its way though the vent system and into the combustion chamber cleaning as it goes over time.
Right about now, all I'm doing to keep this from happening is having my oil changed every 5k miles with Elf oil. I'm hoping this keeps me out of the nuts.
I'm amazed Seafoam has not been tried with any success? i did a quick google search and could not find any before and after photos of anyone seafoaming their valves with any success?

Last edited by shah269; 01-27-2013 at 10:45 PM.
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      01-28-2013, 02:01 PM   #4
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Quote:
Originally Posted by Adam135 View Post
Isn't it difficult to know if a valve is fully seated? We heard about an engine not running right after a valve cleaning, which was likely caused by foreign matter getting into the cylinder. Seems like it would be really easy to do.
You can remove the valve/cam cover and easily be able to tell when the valves are fully seated.

Definitely interested in hearing from more people that have tried this!
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      05-11-2013, 08:02 PM   #5
Shaggykjb_135I
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2008 135i  [0.00]
I've actually used seafoam before on my 135i N54 and it had my car on a mustang dyno at Cobb about 2 weeks later. Turned decent results...however I had 3 injectors go out the week after the dyno...related...unknown.
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