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Engines and Components› Cylinder Heads and Components
Cometic Gasket
Cometic BMW N55B30A 85mm .060 inch MLX Head Gasket
SKU: C006 C15476-060
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: C15476-060
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.
BMW N55B30/N55B30M0/N55B30O0/N55B30T0/N55HP .060in. MLX Cylinder Head Gasket | 85mm Bore
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- White smoke from exhaust on startup
- Overheating engine under load
- Oil in coolant or coolant in oil
- Loss of coolant without visible leaks
- Engine misfire at idle or acceleration
Diagnostic Codes
- P0300 – Random/multiple cylinder misfire
- P0301 – Cylinder 1 misfire
- P0302 – Cylinder 2 misfire
- P0303 – Cylinder 3 misfire
- P0304 – Cylinder 4 misfire
- P0305 – Cylinder 5 misfire
- P0306 – Cylinder 6 misfire
- P0307 – Cylinder 7 misfire
- P0308 – Cylinder 8 misfire
- P0128 – Coolant thermostat temp below regulating temp
Relevant Conversations
- Head gasket replacement cost and symptoms
- Cometic MLX head gasket review 85mm bore
- White smoke from exhaust and overheating fix
- P0300 misfire after head gasket failure
- Best head gasket for high boost turbo build
- How to install Cometic head gasket step by step
- Head gasket vs MLS gasket for performance engine
- Oil in coolant but no external leak diagnosis
- Overheating at highway speeds head gasket blown
- Cometic C15476-060 vs OEM head gasket comparison
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C15476-060 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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