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Rotorocious's Avatar DIY-Intake Valve Cleaning
Rotorocious
04-23-2011
This is a starter DIY thread on cleaning your intake valves. I have not made a DIY before so if you see I miss something, please chime in.
This isn't pretty but it should do the trick.


My car: 2007 335i 6MT Coupe. 51,000 miles. AR OCC since ~48,000. No meth. JB3/4...
  #44  
By GoRomeo on 08-08-2012, 04:56 PM
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Is this the ONLY way we can clean our engine valves?
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  #45  
By obert on 08-08-2012, 07:39 PM
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Originally Posted by GoRomeo View Post
Is this the ONLY way we can clean our engine valves?
Search my friend

There are a couple other ways but this is the best way
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  #46  
By ericruiz911 on 08-11-2012, 03:40 PM
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Quote:
Originally Posted by GoRomeo View Post
Is this the ONLY way we can clean our engine valves?
no but this the best/cheapest way to DIY. I am actually in the middle of doing mine right now. Very easy to do. im only 2.5hrs in and i have one valve left. its soaking now and then scrubbing away. Lets just pray it starts lol
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  #47  
By GoRomeo on 08-13-2012, 02:21 PM
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Originally Posted by ericruiz911 View Post
no but this the best/cheapest way to DIY. I am actually in the middle of doing mine right now. Very easy to do. im only 2.5hrs in and i have one valve left. its soaking now and then scrubbing away. Lets just pray it starts lol
Thanks let us know how your valve cleaning went. Also, do u feel a difference in performance, MPG etc. Thanks
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  #48  
By BenġrTheBMW on 09-05-2012, 10:19 AM
Is this okay to do on the N52 also? I have 81k and it seems to need it.
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  #49  
By ericruiz911 on 09-05-2012, 01:46 PM
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Quote:
Originally Posted by GoRomeo View Post
Thanks let us know how your valve cleaning went. Also, do u feel a difference in performance, MPG etc. Thanks
Performance: No
MPG: just a tad
Rough Idle: Still there
Misfires: Still there

The only thing i gained was peace of mind and unfortunately found a defect in the head that i am trying to get BMW to check out. Hopefully a new head is in order
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  #50  
By RimasRS on 10-06-2012, 02:38 AM
This should be sticky
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  #51  
By Persian_535i on 11-24-2012, 02:39 PM
I'm trying to open/close some of the valves using a remote starter switch. It has two alligator clips but I'm unsure where I connect the clips on the starter. Anyone aware of where to attach the clips?
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