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Pro Series BMW BMW 5er F10/F11/F18 BMW N55 Engine OEM Cylinder Head Stud Set
PRO SERIES

BMW N55 Engine OEM Cylinder Head Stud Set

Item no.: P102061410
PRO SERIES

BMW N55 Engine OEM Cylinder Head Stud Set

Item no.: P102061410
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  • Description
    BMW N55 Engine Pro-Series 18.8 Cylinder Head Stud Set

    Replacing the original cylinder head screws with high-strength Pro-Series 18.8 studs.
    This is necessary when making large increases in performance, as the original cylinder head screws elongate during operation and the cylinder head can lift off.
    The Pro-Series 18.8 stud bolts with a tensile strength of 1850 N / mm² provide a solution to this.
    In addition, these stud bolts do not have to be replaced after dismantling, but can be reused.

    Technical details:
    Manufacturer part number: P102061410
    Kit content: 4 stud bolt (M9) / 10 stud bolt (M11) / 4 nuts (M9) / 10 nuts (M11) /14 washers / assembly paste / assembly instructions
    Tensile strength: PS 18.8 steel / 1850+ N/mm² (270.000+PSI)


    The Pro-Series 18.8 sets are high-strength stud bolts manufactured in Germany.
    A special steel is used which, after tempering, has a tensile strength of 1850 + N / mm².
    All threads are formed and not cut as usual. The so-called rolling of threads can increase the strength of the tooth flanks by around 30%. All Pro-Series products are supplied with a nickel coating or optional with a burnished protecting against corrosion in the long term, even under the toughest conditions. Pro-Series stud bolts have a hexagon socket drive on the head side for screwing in the stud bolts. Due to a cone on the engine block side of the bolt, these are not supported on the thread flanks when the nuts are tightened, but in the bore of the thread in the engine block. This support protects the threads when racing engines are frequently rebuilt.
    Pro-Series advantage over other manufacturers is the nuts and washers included in the set, these also have a tensile strength of 1850 N / mm².

    Application list:
    MY 2009 - 2015
    135i E82/E88 306PS
    135i E82/E88 326PS
    M135i F20/F21 320PS
    M135i F20/F21 326PS
    M235i F22/F23 326PS
    M2 F87 Coupe 370PS
    335i F30/F31/F34/F35 306PS
    335i F30/F31/F34/F35 326PS
    335i F30/F31/F34/F35 340PS
    335i E90/E91/E92/E93 306PS
    335i E90/E91/E92/E93 326PS
    435i F32/F33/F36 306PS
    435i F32/F33/F36 340PS
    535i F07 Gran Turismo 306PS
    535i F10 306PS
    535i F10/F11/F18 326PS
    535i F11 Touring 306PS
    640i F12/F13/F06 320PS
    740i F01/F02/F03/F04 320PS
    X1 35i E84 (USA) 306PS
    X3 35i F25 306PS
    X4 35i F26 306PS
    X4 M40i F26 360PS
    X5 35i F15 306PS
    X5 35i E70 306PS
    X6 35i E71 306PS
Description
BMW N55 Engine Pro-Series 18.8 Cylinder Head Stud Set

Replacing the original cylinder head screws with high-strength Pro-Series 18.8 studs.
This is necessary when making large increases in performance, as the original cylinder head screws elongate during operation and the cylinder head can lift off.
The Pro-Series 18.8 stud bolts with a tensile strength of 1850 N / mm² provide a solution to this.
In addition, these stud bolts do not have to be replaced after dismantling, but can be reused.

Technical details:
Manufacturer part number: P102061410
Kit content: 4 stud bolt (M9) / 10 stud bolt (M11) / 4 nuts (M9) / 10 nuts (M11) /14 washers / assembly paste / assembly instructions
Tensile strength: PS 18.8 steel / 1850+ N/mm² (270.000+PSI)


The Pro-Series 18.8 sets are high-strength stud bolts manufactured in Germany.
A special steel is used which, after tempering, has a tensile strength of 1850 + N / mm².
All threads are formed and not cut as usual. The so-called rolling of threads can increase the strength of the tooth flanks by around 30%. All Pro-Series products are supplied with a nickel coating or optional with a burnished protecting against corrosion in the long term, even under the toughest conditions. Pro-Series stud bolts have a hexagon socket drive on the head side for screwing in the stud bolts. Due to a cone on the engine block side of the bolt, these are not supported on the thread flanks when the nuts are tightened, but in the bore of the thread in the engine block. This support protects the threads when racing engines are frequently rebuilt.
Pro-Series advantage over other manufacturers is the nuts and washers included in the set, these also have a tensile strength of 1850 N / mm².

Application list:
MY 2009 - 2015
135i E82/E88 306PS
135i E82/E88 326PS
M135i F20/F21 320PS
M135i F20/F21 326PS
M235i F22/F23 326PS
M2 F87 Coupe 370PS
335i F30/F31/F34/F35 306PS
335i F30/F31/F34/F35 326PS
335i F30/F31/F34/F35 340PS
335i E90/E91/E92/E93 306PS
335i E90/E91/E92/E93 326PS
435i F32/F33/F36 306PS
435i F32/F33/F36 340PS
535i F07 Gran Turismo 306PS
535i F10 306PS
535i F10/F11/F18 326PS
535i F11 Touring 306PS
640i F12/F13/F06 320PS
740i F01/F02/F03/F04 320PS
X1 35i E84 (USA) 306PS
X3 35i F25 306PS
X4 35i F26 306PS
X4 M40i F26 360PS
X5 35i F15 306PS
X5 35i E70 306PS
X6 35i E71 306PS

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