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Customized Rebuild Engine Overhaul Kits Gasket For BMW N20B20
| MOQ: | 50PCS |
| Price: | Negotiation |
| Standard Packaging: | Cardboard box or Wooden box |
| Delivery Period: | 5-15Days |
| Payment Method: | L/C,D/A,MoneyGram,D/P,T/T,Western Union |
| Supply Capacity: | 5000 |
customized Engine Overhaul Kits
,BMW N20 Engine Overhaul Kits
,BMW N20 engine rebuild gasket kit
Customized Rebuild Engine Overhaul Kits Gasket For BMW N20 B20
1. Core Components
|
Component |
OEM Part Number |
Qty |
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) |
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
|
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 |
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)
