Part number BMIVN-1030 (STD)
Supertech black nitrided stainless steel intake valve
BMW 4-6 cylinder engines - 1.8 2.5 2.8 3.0 (S42 USA, M42, S50/S52 USA, M50, M52, M54)
|
Product detailed specification |
|
|
Model number |
BMIVN-1030 |
|
Head diameter |
33.00mm |
|
Stem diameter |
5.97mm |
|
Length |
106.10mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Product detailed specification |
|
|
Model number |
BMEVN-1030 |
|
Head diameter |
30.50mm |
|
Stem diameter |
5.96mm |
|
Length |
105.65mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Product detailed specification |
|
|
Model number |
BMEVN-1031S |
|
Head diameter |
31.50mm |
|
Stem diameter |
5.96mm |
|
Length |
105.65mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Product detailed specification |
|
|
Model number |
BMIVN-1031S |
|
Head diameter |
34.00mm |
|
Stem diameter |
5.97mm |
|
Length |
106.10mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

|
Part number starting with 330 |
|
|
Athena advantages |
|
|
Reinforced material |
Asbestos free composite raw material OE approved |
|
Stainless steel ring (AISI304) |
Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required |
|
Silicon beading |
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages |

|
Product detailed specification |
|
|
Model number |
BMEVI-1030S |
|
Head diameter |
30.50mm |
|
Stem diameter |
5.96mm |
|
Length |
105.65mm |
|
Material |
Inconel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

Spring data:
Seat pressure - 94lbs @ 35.70mm
Open (lift) pressure - 209lbs @ 10mm
Spring coil bind - 20.70mm
Rate - 11.50lbs/mm
Max lift - 15.00mm
Outer spring outer diameter: 29.65mm
Outer spring inner diameter: 21.85mm
Inner spring outer diameter: 20.50mm
Inner spring inner diameter: 15.50mm
Set includes:
Dual springs: 24 pcs. SPR-H1005D-BM
Titanium retainers: 24 pcs. RET-AU5VE-T1
Seats: 24 pcs. SEAT-BM60

|
Product detailed specification |
|
|
Model number |
BMIVN-1030S |
|
Head diameter |
33.00mm |
|
Stem diameter |
5.97mm |
|
Length |
106.10mm |
|
Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |