BMW N20B20 Engine Overhaul Kit with 3-Layer Metal Head Gasket and 10-Piece Bolt Set for Custom Rebuild
Price:
Negotiation
MOQ:
50PCS
Delivery Time:
5-15Days
Brand:
Czechdes
Product Description
Customized Rebuild Engine Overhaul Kits Gasket for BMW N20B20
Core Components
| Component | OEM Part Number | Quantity | Material |
|---|---|---|---|
| Multi-Layer Metal Head Gasket | 11127595221 | 1 | Stainless Steel + Elastic Graphite Composite |
| Cylinder Head Bolt Set | 11127595222 | 10 | Grade 10.9 High-Strength Alloy Steel |
| Valve Cover Seal Strip | 11127595223 | 1 | Fluorocarbon Rubber (FKM) |
| Camshaft Position Sensor O-Ring | 12147586911 | 2 | Hydrogenated Nitrile Rubber (HNBR) |
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)
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
Manufacturing Process
| Process Step | Technical Parameters | Inspection Standard |
|---|---|---|
| Metal Layer Stamping | 500-ton precision press (±0.01mm tolerance) | DIN EN ISO 2768 |
| Graphite Layer Lamination | Hot pressing (120°C/5MPa pressure) | BMW GS 90034 |
| Surface Treatment | Micro-arc oxidation coating (8-12μm thickness) | ASTM B117 Salt Spray Test |
| Final Inspection | Helium mass spectrometer leak test (sensitivity 1×10⁻⁶ mbar*L/s) | BMW PV 3344 |
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
Recommended Companion Upgrades
- Recommended simultaneous replacement:
- Oil Cooler Seal Ring (11428637821)
- Turbocharger Oil Return Seal (11127595224)
For N20B20D engines produced after 2015, use upgraded head gasket 11127595225
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Yuanfenghang Automotive Parts Co., Ltd
Location
Room 01, 1st Floor, Building 4, No. 8 Xikeng, Lianquan Road, Yuexiu District, Guangzhou City, Guangdong Province
Contact Person
Sales