SKU: 38986935263

Supertech BMW Exhaust Valve | Black Nitrated | S42/M42/M50/S50/M52/S52/M54

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Description

Supertech BMW Exhaust Valve | Black Nitrated | S42/M42/M50/S50/M52/S52/M54Supertech Performance BMEVN 1030 BMW S42 M42 M50 S50 M52 S52 M54 Exhaust 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


Supertech Performance BMEVN-1030 BMW S42 / M42 / M50 / S50 / M52 / S52 / M54 Exhaust 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 - 30.50mm (STD)
  • Length - 105.65mm
  • Material - Black Nitrated
  • Stem Diameter - 5.96mm


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 SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1991 - 1995 318I ALL ALL 1.8 ALL M42 ALL 16Valve
1991 - 1995 318IS ALL ALL 1.8 ALL M42 ALL 16Valve
1995 - 1995 318TI ALL ALL 1.8 ALL M42 ALL 16Valve
2000 - 2000 323CI ALL ALL 2.5 ALL M52 ALL 24Valve
1998 - 2000 323I ALL ALL 2.5 ALL M52 ALL 24Valve
1998 - 1999 323IS ALL ALL 2.5 ALL M52 ALL 24Valve
2001 - 2006 325CI ALL ALL 2.5 ALL M54 ALL 16Valve
1992 - 1995 325I ALL ALL 2.5 ALL M50
M50TU 		ALL 16Valve
2001 - 2005 325I ALL ALL 2.5 ALL M54 ALL 16Valve
1992 - 1995 325IS ALL ALL 2.5 ALL M50
M50TU 		ALL 16Valve
2001 - 2005 325XI ALL ALL 2.5 ALL M54 ALL 16Valve
2000 - 2000 328CI ALL ALL 2.8 ALL M52 ALL 24Valve
1996 - 2000 328I ALL ALL 2.8 ALL M52 ALL 24Valve
1996 - 1999 328IS ALL ALL 2.8 ALL M52 ALL 24Valve
2001 - 2006 330CI ALL ALL 3.0 ALL M54 ALL 24Valve
2001 - 2005 330I ALL ALL 3.0 ALL M54 ALL 24Valve
2001 - 2005 330XI ALL ALL 3.0 ALL M54 ALL 24Valve
1991 - 1995 525I ALL ALL 2.5 ALL M50 ALL 16Valve
2001 - 2005 525I ALL ALL 2.5 ALL M54 ALL 16Valve
1993 - 1993 525IT ALL ALL 2.5 ALL M50 ALL 16Valve
1997 - 2000 528I ALL ALL 2.8 ALL M52
M52TU 		ALL 24Valve
2001 - 2005 530I ALL ALL 3.0 ALL M54 ALL 24Valve
1995 - 1995 M3 ALL ALL 3.0 ALL S50 ALL 24Valve
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 38986935263

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4.8 ★★★★★
Based on 11 reviews
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Product Reviews
E
Verified Purchase
Elisa Diehl
Carnegie, US
★★★★★ 5
Probably the best thing to come out of the "New 52" reboot
Format: Paperback
In general, I'm not a big fan of the new 52 reboot of the DC universe. On the other hand, it produced this really interesting investigation of the iffy morality and general maladjustment and emotional fallout caused by the "child soldier" issue of the multiple underage vigilantes in the Batman family of comic books. The scripting for this story is excellent, in that it makes clear the broad range of personalities represented by the 4 Robins, Bluebird, Spoiler, and Black Bat (who isn't named as such in this particular story for some reason), and aside from that the art is really gorgeous. I think this may very well be the best thing to come out of the new 52 reboot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 23, 2016
A
Verified Purchase
Abel Ricardo Espinosa
Omaha, US
★★★★★ 5
fantastica
Format: Paperback
Una muy buena historia, la conclusión a una muy buena historia
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
D
Verified Purchase
Domdizzle33
Cuba, US
★★★★★ 4
Don't listen to the negative reviews. There is so much to love in this story.
Format: Paperback
First off, I would like to say that this is mostly for people who either A) bought vol1 and want to finish the story, and B) fans of not only Batman, but also the "legacy" that he has left behind him. More on that later. This is the second half of the weekly 26 week story revolving around The former robins, and deals heavily around The Spoiler, Cassandra Cain (batgirl) and Harper Row (bluebird) the main thing I have to say about this story is that it more effectively does what "batman eternal" and "Robin war" we're trying to accomplish. In batman eternal, the story was over 50 issues long, and there were so many times where the story was abysmal because of filler and boring events that made it feel like such a cash grab, and with Robin war, by the end of that story there is almost nothing important that happens, leaving you to feel like you could have went without reading it. Batman and robin eternal not only tells a captivating story, but with important enough events that justify your time and money put into this story. I can whole heartedly recommend this to ANY fan of not only Azrael (very important character in the 90s when knight fall was going on) but also Cassandra Cain (new batgirl up until 2011) and they in my opinion are the highlights of this story because of the justice they are given as comic book characters. We haven't seen them since in the new earth, so it's nice that they got some recognition before rebirth. Hopefully we see them more, but this is also a solid story for the robins as well, each of Batmans pupils gets justice at some point in the story, so I can say a fan of any of them will be pleased. I can say this especially as a Red Hood fan who longs for the day that Jason Tood will finally get a good/solo ongoing series. Now with that said, the art can be inconsistent seeing as how there are more than one of them, and the "big plot twist" shown in this second half can be pretty obvious that "there's more than meets the eye" with the situation, but I rather not give spoilers. Again This book is MORE THAN WORTH YOUR TIME AND MONEY if you Like ANY robin Like Scott Snyders "bluebird" Like the old ninja looking batgirl Like Azrael Like batman stories that don't have batman as the main focus
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2016
J
Verified Purchase
James
Draper, US
★★★★★ 5
Batman & Robin Eternal
Format: Kindle
Again, what a ride! Glad to see batman back in action. The Robins own this book. Mother is down and out by her own creation. And the world is safe once again. What more could you ask for?!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 20, 2022
B
Verified Purchase
Birdie
Charlottesville, US
★★★★★ 5
Great series
Format: Kindle
Mother was a new and powerful opponent. I hope that some how, some way, she shows again. Not crazy not costumed , just the best of your everyday garden variety brilliant, computer savvy villain. I liked her.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2020

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