My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Cometic C15475-040 BMW MLX Cylinder Head Gasket Bore - N63B44/S63B44 040 90mm

(BMW Alpina B7 xDrive 2011-15, X5 2010-18, 550i 2010-16, X6 2008-19, 650i 2012-18, 750Li 2010-15, 750i 2009-15, 750i xDrive 2010-15 + 11 more models)

Manufacturer

Part Number

C15475-040
Sale Price

$105.01

Estimated ship date Wednesday, November 25

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C15475-040 is a premium Multi-Layer Steel (MLX) cylinder head gasket engineered specifically for BMW N63B44 and S63B44 engines. This high-performance gasket features a .040" (1.0mm) compressed thickness and a precision 90mm bore diameter to ensure optimal combustion sealing and reliable performance.

Key Features:

  • Multi-Layer Steel (MLX) construction for superior sealing and durability
  • .040" compressed thickness provides excellent sealing under high compression and boost conditions
  • 90mm bore diameter designed for BMW N63B44 and S63B44 V8 engines
  • Proprietary coating enhances heat resistance and prevents corrosion
  • Eliminates fluid leakage and maintains proper combustion chamber sealing
  • Ideal for stock rebuilds, performance builds, and forced induction applications

Cometic's MLX gaskets utilize multiple layers of stainless steel with advanced coating technology to provide exceptional conformability to sealing surfaces while maintaining structural integrity under extreme temperatures and pressures. This gasket is a direct replacement for OEM applications and is trusted by professional engine builders and BMW enthusiasts worldwide.

Products specifications

Fits

BMW Alpina B7 xDrive 2011-15, X5 2010-18, 550i 2010-16, X6 2008-19, 650i 2012-18, 750Li 2010-15, 750i 2009-15, 750i xDrive 2010-15, 750Li xDrive 2010-15, 550i xDrive 2011-16, Alpina B7 2011-15, 650i Gran Coupe 2013-19 + 7 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

MLX

Good price and very quick delivery

So far all is good

delivered as stated at a great price.

Great pricing

good

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy