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      06-17-2013, 11:03 PM   #1
Jason
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Post N55 Engine Full Technical Info and Service Information Manual

Download the full N55 engine tech and service guide below. Warning - it's nearly 50mb in filesize.

The N20 engine tech and service guide can be found at: http://www.f30post.com/forums/showthread.php?t=856528
The S63Tu (M5/M6) engine tech and service guide can be found at: http://f10.m5post.com/forums/showthread.php?t=803494



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      06-23-2013, 07:18 AM   #2
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perfect! i've been looking for exactly this for a while now
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      06-23-2013, 07:45 AM   #3
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thank you very much for the information
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      06-23-2013, 07:50 AM   #4
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Very kind of you to post this. True treasure !
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      06-23-2013, 08:30 AM   #5
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Oooh, I don't even have an N55, but I'll still look at this, haha. Any idea if there's a similar document for the N52?
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      06-23-2013, 08:43 AM   #6
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Always great to read these.

This got me thinking though, I would love to know how much power the N55 makes without its turbo charger.
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      06-23-2013, 09:05 AM   #7
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Quote:
Originally Posted by bimmerjph
Always great to read these.

This got me thinking though, I would love to know how much power the N55 makes without its turbo charger.
Probably similar to the N52?
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      06-23-2013, 09:22 AM   #8
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nice. Anything similar for the N20?

nvm. Just found it:

http://www.bimmerpost.com/goodiesfor...BIMMERPOST.pdf
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      06-23-2013, 09:28 AM   #9
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      06-23-2013, 09:54 AM   #10
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Would love to see one for the N52.
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      06-23-2013, 09:57 AM   #11
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Quote:
Originally Posted by 宝马.e90
Would love to see one for the N52.
+1
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      06-23-2013, 10:43 AM   #12
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Fantastic! Also, for those interested, the service manual makes reference to controlling oil "churning losses."

Here is a good read on churning losses: alexandria.tue.nl/repository/books/625412.pdf
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      06-23-2013, 11:26 AM   #13
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Forgive me for being naive, but has the S65 one been posted? I searched and couldn't find.

Quote:
Originally Posted by b1aze View Post
Probably similar to the N52?
I'd guess less because the bore/stroke of the N54/55 aren't optimized for NA operation.
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      06-23-2013, 01:42 PM   #14
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N54

Awesome! Any chance you can post for the N54?
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      06-23-2013, 02:05 PM   #15
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Is there one for the S65?
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      06-23-2013, 02:45 PM   #16
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I know it says N55, but the document does not reference the F30 series. Does this document still apply?
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      06-23-2013, 04:33 PM   #17
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Quote:
Originally Posted by x-ricer
Awesome! Any chance you can post for the N54?
Agreed, N54 wanted!
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      06-23-2013, 04:57 PM   #18
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Im just interested in whether this will give a tuner information to make my n55 FASTER!!!!!!!!!
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      06-23-2013, 05:04 PM   #19
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and the more i reading the more upset I get from all the "cast" this and "cast" that
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      06-23-2013, 07:32 PM   #20
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All I want to know is how big the turbo is!
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      06-23-2013, 08:07 PM   #21
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sent from above ...
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      06-23-2013, 08:43 PM   #22
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Last time I checked, I had one of these in my garage. No complaints!
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