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  See more parts for BMW 323Ci
Select the year of your BMW 323Ci:
Supertech Black Nitrided Exhaust Valve Set of 12 +1mm Oversize for BMW M50 M52 S50 S52 1991-2000 - BMEVN-1031S-12

If you're looking to squeeze every bit of power out of your BMW's engine, the Black Nitrided Exhaust Valve (BMEVN-1031S) from Supertech is a solid choice. These valves are crafted with care and precision, and honestly, they outperform what you'd expect. Whether you're hitting the track or just cruising around, these valves are designed to keep up with your driving style.

So, what makes these valves special? For starters, you get a set of 12, which is perfect for a complete overhaul. The black nitrided finish not only looks great but also adds durability, helping to resist wear and tear over time. You can expect these valves to last, giving you peace of mind for years to come.

  • Head Diameter: 31.50mm (+1mm oversize)
  • Stem Diameter: 5.96mm
  • Length: 105.65mm
  • Material: Black Nitrided
  • Valve Type: Exhaust

These valves fit a range of BMW models, specifically:

  • BMW 325I (1992-1995)
  • BMW 325IS (1992-1995)
  • BMW 525I (1991-1995)
  • BMW 525IT (1993)
  • BMW 323CI (2000)
  • BMW 323I (1998-2000)
  • BMW 323IS (1998-1999)
  • BMW 328CI (2000)
  • BMW 328I (1996-2000)
  • BMW 328IS (1996-1999)
  • BMW 528I (1997-2000)
  • BMW Z3 (1997-2000)
  • BMW M3 (1995-1999)

So, if you’re working on a BMW M50, M52, S50, or S52 engine from 1991 to 2000, these valves are definitely worth considering. They’re designed to help your engine breathe better, which can lead to improved performance. Just make sure to check your fitment before you dive in. Happy wrenching!

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
BMW 323Ci 2000 Base
BMW 323i 1998-2000 Base
BMW 323is 1998-1999 Base
BMW 325i 1992-1995 Base
BMW 325is 1992-1995 Base
BMW 328Ci 2000 Base
BMW 328i 1996-2000 Base
BMW 328is 1996-1999 Base
BMW 525i 1991-1995 Base
BMW 525iT 1993 Base
BMW 528i 1997-2000 Base
BMW M3 1995-1999 Base
BMW M3 1995 Lightweight
BMW Z3 1997-2000 Roadster
BMW Z3 1997 Base
BMW Z3 1997-2000 2.8i
BMW Z3 1998-1999 1.9i
BMW Z3 1998-1999 M Roadster
BMW Z3 1999-2000 Coupe
BMW Z3 1999 M Coupe
BMW Z3 2000 2.0i

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Who is Supertech?

Supertech is a company located in Silicon Valley San Jose, California. It is the place where companies with the most cutting-edge technology are located. It allows Supertech to gain access to the latest technology that helps them create high-quality products.  Supertech is known for manufacturing some of the best aftermarket internal engine parts in the industry. Today, they are considered the leading brand in their market segment.

Valve Train Component Experts

With over 30 years of experience, Supertech was able to develop products that meet the demands of their customers. They offer high-performance valves and valvetrain components that are used by many engine builders and tuners everywhere.

Racer’s Brand Of Choice

Supertech provides the motorsport industry with top-notched products for virtually any type of racing discipline. Whether it’s Road Racing, Drag Racing, or Rally, they have the right parts for you. Each piece is carefully designed and manufactured to provide optimum performance and give racers the competitive advantage they need to win championships.

Purchase Supertech Products At Vivid Racing

If you are in the market for high-quality performance parts for your engine, Supertech is the brand for you. The company has always been on edge in creating innovative products that would keep up with the fast-changing automotive trend. Whether for the tracks or the street, Supertech guarantees that you will only get the best products from them. To know more about Supertech, visit Vivid Racing and check out their list of parts that fit your specific needs.



Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.

Supertech Performance Inc. shall not, under any circumstances, be liable for any special, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue, cost of purchased or replacement goods, or claims of customers of the purchase, which may arise and/or result from sale, installation or use of these parts.

The sole obligation of Supertech Performance Inc., shall be limited only to the products to be found defective, in either workmanship or material, after inspection performed by our company. This Limited Warranty applies only to the original purchaser of the product and only covers the replacement or repair of the product at our election.

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