Customized Rebuild Engine Overhaul Kits Gasket For BMW N20B20

Customized Rebuild Engine Overhaul Kits Gasket For BMW N20 B20

1. Core Components

2. Weight Specifications

• Complete Head Gasket Set: 1.8kg ±50g

• Single Metal Head Gasket: 0.65kg (3-layer composite structure)

• Bolt Set: 0.38kg (10 pieces)3. Key Features

 Pressure-Adaptive Design

• Laser-cut stainless steel layers (0.2mm/layer)

• Elastic graphite layer compensates for block deformation (up to 0.15mm)

Thermal Management Performance

• Operating temperature range: -40°C to 180°C

• Withstands localized transient temperatures up to 220°C

 Sealing Technology Innovation

• 3D sealing rib design (Patent DE102014226789)
• Laser-welded copper ring reinforcement around combustion chambers

4. Manufacturing Process

6. Installation Technical Points

• Surface Preparation: Clean mating surfaces with BMW-approved cleaner (83 19 2 355 517) before installation

• Torque Specifications:

  • Step 1: 20Nm

  • Step 2: 90° rotation

  • Step 3: Additional 90° rotation (total 180°)

• Prohibited Substances: Silicone-based sealants strictly forbidden

7. Recommended Companion Upgrades

• Recommended simultaneous replacement:

  • Oil Cooler Seal Ring (11428637821)

  • Turbocharger Oil Return Seal (11127595224)

(Note: For N20B20D engines produced after 2015, use upgraded head gasket 11127595225)