• Cometic BMW N55B30A 85mm Bore .044in MLX Head Gasket
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Cometic

Cometic BMW N55B30A 85mm Bore .044in MLX Head Gasket

Cometic BMW N55B30A 85mm Bore .044in MLX Head Gasket

$194.25 USD
$215.84 USD $194.25 USD
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Listed for: BMW N55B30A 85mmFitment notes & questions

BMW N55B30A 85mm Bore .044in MLX Head Gasket by Cometic for BMW. A failed head gasket can mix coolant and oil, push coolant out of the system or cause overheating, so it is a job worth doing once and doing right.

Quick facts

  • Brand: Cometic
  • Part type: Head gasket
  • Listed for: BMW

Listed fitment

  • 2011-2015 BMW 335i Base
  • 2014-2015 BMW 335i GT xDrive Base
  • 2011-2015 BMW 335i xDrive Base
  • 2011-2013 BMW 335is Base
  • 2014-2016 BMW 435i Base
  • 2015-2016 BMW 435i Gran Coupe Base
  • 2014-2016 BMW 435i xDrive Base
  • 2015-2016 BMW 435i xDrive Gran Coupe Base
  • 2011-2016 BMW 535i Base
  • 2011-2016 BMW 535i GT Base
  • 2011-2016 BMW 535i GT xDrive Base
  • 2011-2016 BMW 535i xDrive Base
  • 2016-2017 BMW M2 Base

Tip: Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.

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Before you order: BMW N55B30A 85mm head gasket fitment

The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.

Fitment notes

  • Listed for: BMW N55B30A 85mm.
  • Specs, lead time and warranty come from Cometic and can change. The details above this guide are the latest we have.

Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.

Ask about fitment

Plan the whole job

  • Head bolts. Many engines use torque-to-yield head bolts that should not be reused.
  • Coolant. Refill with the coolant type your engine calls for.
  • Valve cover and intake gaskets. They come off during the job, so it is the time to replace them.

More for your car: BMW Parts · All Head Gaskets · Engine

Questions about BMW N55B30A 85mm head gasket

Will this fit my BMW N55B30A 85mm?
It is listed for the BMW N55B30A 85mm. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
What are signs of a bad head gasket?
Common signs are overheating, white exhaust smoke, coolant loss with no visible leak, and milky oil.
Should I resurface the cylinder head?
If the head is warped or the surface is damaged, a machine shop can check and resurface it before the new gasket goes on.
Where do specs and warranty details come from?
From Cometic. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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