Athena-SCE
Athena Cut Ring Head Gasket, BMW N52/N54
Athena Cut Ring Head Gasket, BMW N52/N54
This Athena Cut Ring Head Gasket is specifically engineered to replace BMW part numbers 11127557265 and 11127557266 for the N52 and N54.
Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure.
Athena-SCE Cut Ring Head Gaskets are uniquely designed to handle increased cylinder pressure caused by power modifications, making them the recommended choice for applications making 16+ psi.
Design:
Athena-SCE's gasket body is composed of Motorgasket, a reinforced material developed by Athena's R&D department. This consists of a steel core covered with two layers of asbestos-free aramid fibre and offers excellent thermal and mechanical resistance without compromising its ability to adapt to mating surfaces.
To ensure maximum sealing under all conditions, a silicone bead is also applied to critical sealing areas, such as oil and coolant passages.
The AISI 304 stainless steel cooper rings bite into the aluminum head, providing maximum sealing around the cylinder bore and optimizing engine performance, even on engines with nitrous and/or turbo applications that exceed 2 bar boost.
Please be aware that the gasket should be 0.5mm to 1mm larger than the piston. For example, if the piston measures 84mm, then the gasket should be the next size up, either 84.5mm or 85mm.
Before installation, it is crucial to have the mating surfaces of the cylinder head and block professionally cleaned and resurfaced to ensure they are completely flat.
Installation instructions:
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Make sure that the engine block and cylinder head surfaces are clean, flat, and free from any debris, oil, or coolant.
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Install the Cut Ring gasket on the engine block and ensure that it is properly aligned. Avoid twisting or bending the gasket during installation.
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Place the cylinder head on top of the gasket and install the head bolts or studs in their correct positions.
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Follow the manufacturer's recommended torque specifications and tighten the bolts or studs in the proper sequence to ensure even clamping force across the gasket.
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After the initial tightening, re-torque the head bolts or studs after the engine has been started and then allowed to cool to room temperature. This will ensure that the gasket is properly seated and compressed.
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It is recommended to not use any additional sealant on the MLS gasket, as it is already coated with a Viton rubber sealant. Using additional sealant can hinder the performance of the gasket.
BMW N52 Applications:
1 Series
2006-2011 E81/E82/E87/E88 125i / 135i
3 Series
2005-2011 E90/E91/E92/E93 325i / 325xi
2006-2013 E90/E91/E92/E93 328i / 328xi / 330i / 330xi
5 Series
2005-2010 E60/E61 525i / 525xi / 528i / 528xi / 530i / 530xi
2010-2011 F10/F11 528i
6 Series
2004-2007 E63/E64 630i
7 Series
2005-2008 E65/E66 730i / 730Li
X1 Series
2009-2015 E84 X1 xDrive25i / sDrive25i
2009-2015 E84 X1 xDrive28i / sDrive28i [Non-Turbo]
X3 Series
2006-2010 E83 X3 2.5si / 3.0i
2010-2012 F25 X3 xDrive28i [Non-Turbo]
X5 Series
2007-2010 E70 X5 xDrive30i
Z4 Series
2004-2008 E85/E86 Z4 2.5si / 3.0i / 3.0si
2009-2011 E89 Z4 sDrive23i / sDrive30i
BMW N54 Applications:
1 Series
2007-2010 E82/E88 135i
2011-2012 E82 1M
3 Series
2006-2010 E90/E91/E92/E93 335i
2011-2013 E92/E93 335is
5 Series
2008-2010 E60/E61 535i
7 Series
2009-2012 F01/F02 740i / 740Li
X6 Series
2008-2010 E71 X6 xDrive35i
Z4 Series
2009-2016 E89 Z4 sDrive35i
2010-2016 E89 Z4 sDrive35is
Alpina B3 Series
2007-2013 E90/E91/E92/E93 B3 Bi-Turbo
Alpina B3 S Series
2010-2013 E90/E91/E92/E93 B3 S Bi-Turbo
Alpina D3 Series
2008-2013 E90/E91/E92/E93 D3 Bi-Turbo
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