100% original equipment manufacturer (OEM) components
Exact factory specifications for perfect fitment
BMW-approved materials and manufacturing standards
Component | Material Properties | Key Features |
Timing Chain | Alloy steel (carburized surface treatment) | Laser-cut teeth, anti-stretch design |
Guides/Tensioner | Glass-fiber reinforced nylon (high-temp stable) | Self-lubricating grooves reduce wear |
Head Gasket | Multi-layer stainless steel + elastic graphite composite | Laser-welded edges, resists deformation |
Valve Seals | Fluorocarbon rubber (FKM) core + spring steel outer clamp | Dual-lip design, oil-resistant |
Turbo Seals | Nickel-based alloy (Inconel series) | Withstands 900°C exhaust heat |
Fasteners | High-strength alloy steel (Grade 10.9) | One-time stretch bolts |
High-Temp Resistance: Turbo components use nickel alloys for extreme conditions
Wear Resistance: Timing chain carburized layer (HRC60+ hardness) extends lifespan by 40%
Sealing Performance: FKM seals maintain elasticity from -30°C to 250°C
Lightweight: Nylon guides weigh 60% less than metal, reducing friction
Timing Chain: Features BMW’s "IROX" coating tech (shared with S55 engines)
Head Gasket: 3D laser-scanned for <5% pressure distribution variance
Seal Springs: Pre-tensioned winding ensures >90% clamping force after 100,000km
The BMW N13 is a 1.6L turbocharged (TwinPower Turbo) gasoline engine, widely used in the following models:
BMW 1 Series (F20) → 116i
BMW 3 Series (F30) → 316i
MINI Cooper S (R56) → Some high-performance versions
Typical issues with the N13 engine include:
Repair Item | BMW OEM Part Number | Contents |
Timing Chain Kit | 11 31 7 586 273 | Chain, guides, tensioner, sprockets |
Valve Stem Seal Kit | 11 34 7 566 840 | 16 valve stem seals |
Cylinder Head Gasket Set | 11 12 7 566 839 | Head gasket, valve cover gasket, etc. |
Turbo Seal Kit | 11 62 7 586 275 | Turbo intake/exhaust seals |
Must-Replace One-Time-Use Parts: Cylinder head bolts, timing sprocket bolts (BMW specifies non-reuse).
Recommended Concurrent Replacements: Oil pump chain (if oil pan is removed).