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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sun, Apr-15-2018, 01:32:35 AM   #1
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Default Another S54 Build article

This is about a year or so old and there are plenty of build threads and experiences with the S54 but still a good read even though it's a F/I build.

http://www.enginelabs.com/engine-tec...-michael-essa/
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Old Sun, Apr-15-2018, 02:25:00 AM   #2
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Default Re: Another S54 Build article

Good read, particularly for me as it links to the original build that uses the same ESS supercharger I currently have. I've been thinking on a water/methanol setup and they discuss the AEM kit. See how this summer goes. Thanks for posting.
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Old Sun, Apr-15-2018, 01:04:47 PM   #3
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Default Re: Another S54 Build article

What’s the benefit of aftermarket valves on the S54? Are they lighter or stronger? I have never heard of OE valves failing without being smacked by a piston.
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Old Sun, Apr-15-2018, 01:45:53 PM   #4
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Default Re: Another S54 Build article

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Originally Posted by Ramp1 View Post
Whatís the benefit of aftermarket valves on the S54? Are they lighter or stronger? I have never heard of OE valves failing without being smacked by a piston.
Lighter and stronger.

Article is also old. Thought he blew the motor again.
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Old Sun, Apr-15-2018, 02:00:40 PM   #5
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Default Re: Another S54 Build article

Good read
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Old Sun, Apr-15-2018, 02:54:16 PM   #6
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Default Re: Another S54 Build article

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Originally Posted by FK View Post
Lighter and stronger.

Article is also old. Thought he blew the motor again.
So unless you wanna rev to 9k lighter and stronger isnít really needed since there are hi-boost cars running stock valves that work fine reving to 8k
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Old Sun, Apr-15-2018, 06:19:19 PM   #7
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Default Re: Another S54 Build article

Quote:
Originally Posted by Ramp1 View Post
Whatís the benefit of aftermarket valves on the S54? Are they lighter or stronger? I have never heard of OE valves failing without being smacked by a piston.
I think some like the Ferrea also flow better? I know SliM3 has some on his built engine.
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Old Mon, Apr-16-2018, 03:29:50 PM   #8
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Default Re: Another S54 Build article

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Originally Posted by Brian N View Post
I think some like the Ferrea also flow better? I know SliM3 has some on his built engine.
Hey Brian, yeah, I believe that both ST and Ferrea valves flow marginally better than factory valves out of the box, and I believe that Ferrea valves come w/a 30* back cut, but some head porters perform additional mulit-angle back cuts to the valves/seats as well...whether or not flow is enhanced is best determined on a flow bench. Some swear by only 3 angle cuts while some prefer 5 to maximize airflow. Unfortunately you just never see that data floating (to support which is best) around anywhere as these guys tend to be all secret squirrel and stuff.

I do know that Ferrea in particular offers 3 different grades of valve material and the S54 valves are manufactured using the highest of the 3 grades...so it would make sense that they are in fact more fatigue resistant. But again, I only see these being necessary in all but the most extreme street/track builds or for max FI applications, where valves are subjected to the harshest environment.
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Discussing Another S54 Build article in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)