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Description
Supertech Intake Valve Set BMW S54 | Black Nitrated | Single GrooveSupertech Performance BMIVN 1040S BMW S54 Intake valve Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves,
Supertech Performance BMIVN-1040S BMW S54 Intake valve
Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.
Specs:
- Head Diameter - 35.00mm (STD)
- Length - 117.50mm
- Material - Black Nitrated
- Stem Diameter - 5.97mm
Supertech High Performance Race Engine Valves features:
- The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)
- Surface finish is smoother than with chromed stems, having less friction between stem and guide.
- Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).
- Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.
- The nitrided layer is adhered to the base material at a microscopic level, so does not"flake" or brake when the valves bend due to impacts with the pistons.
- The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.
All Fitments
| BMW | ||||||||
| Year | Model | Sub Model | Cylinders | Liter | Aspiration | Eng Desg. | Fuel | Notes |
| 2001 - 2006 | M3 | BASE | ALL | ALL | ALL | S54 | ALL | 24 Valve |
| 2001 - 2002 | Z3 | M COUPE M ROADSTER |
ALL | ALL | ALL | S54 | ALL | 24 Valve |
| 2006 - 2008 | Z4 | M COUPE M ROADSTER |
ALL | ALL | ALL | S54 | ALL | 24 Valve |
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4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Instruction manual
Format: Paperback
Great read!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
★★★★★ 5
How to take back what the thief has stolen
Format: Paperback
I took a long time to read this book so I could soak in and apply the principles laid out from God's Word. We have all been stolen from in some way or another, whether it has been failed relationships, finances, health, or even what we feel is our calling or destiny. The good news is that we can stand on God's Word and take back what the thief has stolen. I am still applying what I have learned to have faith that God will restore the years that the locusts have eaten
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
★★★★★ 5
Hardcopy
Format: Paperback
I love this book. I purchase the audiobook, I wish I had purchased the hardcopy instead. It has so much information that you must read and re-read each chapter in order to gleam all the knowledge it provides.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
★★★★★ 5
A penetrating discussion of important books by Black authors.
Format: Kindle
Atcho’s choice of texts is smart: each has survived many decades in print, fascinates modern readers, and probes profound and current themes. Most are well known. Each one is worth your while to read or reread. Fiction, in particular, makes the Black experience in our country accessible to others. Living inside the head of Bigger Thomas (Native Son) offers a more personal understanding than any essay can.
The church has always been part of the story, and Atcho does justice to this by examining African-American literature in a theological light. He is sensitive to what each text is saying on a spiritual level, discerning the subtext and bringing it to light. Over and over, as I read his analyses, I had the experience of seeing more clearly what I had only vaguely intuited. The readings he discusses are not one-dimensional or didactic, and I found having a Virgil at my side was invaluable.
This book is a gift to us all.
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Reviewed in the United States on November 14, 2022
★★★★★ 5
Our church read this book together, and I can't recommend enough that your church do the same!
Format: Paperback
I am so grateful to Claude Atcho for inextricably weaving together a spacious reformed theology with the heights and depths of great African American literature. Thanks to his gracious, nuanced, and substantive guidance, I can no longer separate the two. For example, I will no longer be able to read the Exodus account of liberation without imagining Zora Neale Hurston's "Moses, Man of the Mountain." Where the themes of great African American literature (and indeed, great theology) do not short-cut suffering, death, lament, and evil, Atcho manages to do this heavy lifting in a way that welcomes uninitiated readers like me. Our church read this book together, and I can't recommend enough that your church do the same!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2024
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