Supertech Black Nitride Exhaust Valves – +1mm Oversize – Set of 12 | Multiple BMW Fitments (BMEVN-1031S-12) Supertech

BMW M52/M54/S52/S50/M50 Black Nitride Exhaust Valves by Supertech

Supertech exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures.

Features

• Head Diam: 31.50mm
• Material: Black Nitride
• Groove Type: Single Groove
• Length: 105.65mm
• Stem Diam: 5.95mm
• Size: 1mm+
• Back-cut angle
• Undercut stem
• One piece forged valve (non-magnetic)
• Magnetic friction welded wafer, Hardened to 52 HRC min
• Black Nitride for superior hardness keeping core ductility
• “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve

Benefits

• Less Friction
• Better Flow Rates
• Better Sealing
• Improves durability and reduces carbon build up

Applications

• 1994-1998 BMW E36 320i
• 1995-1998 BMW E39 520i
• 1998-2000 BMW E46 320i, 320Ci,
• 1998-2000 BMW E39 520i
• 1999-2000 BMW E36/7 Z3 2.0i
• 1995-1998 BMW E36 323i
• 1995-2000 BMW E36/5 323ti
• 1995-1998 BMW E39 523i
• 1998-2000 BMW E46 323i, 323Ci
• 1998-2000 BMW E39 523i
• 1998-2000 BMW E36/7 Z3 2.3i
• 1995-1999 BMW E36 328i, 328is
• 1995-1998 BMW E39 528i
• 1995-1998 BMW E38 728i, 728iL
• 1997-1998 BMW E36/7 Z3 2.8
• 1998-2000 BMW E46 328i, 328Ci
• 1998-2000 BMW E36/7/8 Z3 2.8
• 1998-2000 BMW E39 528i
• 1998-2000 BMW E38 728i
• 1996-1999 BMW E36 M3
• 1998-2000 BMW E36/7/8 Z3M
• 2000-2006 BMW E46 320i, 320Ci
• 2000-2003 BMW E39 520i
• 2000-2002 BMW E36/7 Z3 2.2i
• 2003-2005 BMW E85 Z4 2.2i
• 2003-2005 BMW E60/E61 520i
• 2000-2002 BMW E36/7 Z3 2.5i
• 2000-2006 BMW E46 325i, 325xi, 325Ci
• 2000-2004 BMW E46/5 325ti
• 2000-2004 BMW E39 525i
• 2003-2005 BMW E60/E61 525i, 525xi
• 2003-2006 BMW E83 X3 2.5i
• 2002-2005 BMW E85 Z4 2.5i
• 2000-2006 BMW E46 330i, 330xi, 330Ci
• 2000-2004 BMW E39 530i
• 2000-2002 BMW E36/7 Z3 3.0i
• 2003-2005 BMW E60 530i
• 2002-2005 BMW E85 Z4 3.0i
• 2003-2006 BMW E83 X3 3.0i
• 2000-2006 BMW E53 X5 3.0i
• 2002-2005 BMW E65/E66 730i, 730Li
• 1994-1995 BMW E36 M3
• 1990-1996 BMW E34 520i
• 1991-1994 BMW E36 320i
• 1990-1992 BMW E34 525i, 525ix
• 1991-1992 BMW E36 325i, 325is
• 1993-1995 BMW E36 325i, 325is
• 1992-1996 BMW E34 525i, 525ix

What’s In The Box?

• 12 – Exhaust Valve

Warranty

• 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.