11117568264 Front Crankshaft Oil Seal For BMW Engine Repair Kit OEM

11117568264 Front Crankshaft Oil Seal For BMW Engine Repair Kit OEM

Material & Construction

1. Primary Material: Fluoroelastomer (FKM)
2. 2.Reinforcement: Stainless steel outer casing
3. Lip Design: Single/double spring-loaded lip (specify based on actual design)
4. Color: Typically black

Key Features

      1.High-Temperature Resistance: Stable performance from -40°C to +200°C (-40°F to +392°F).
      2.Oil & Chemical Resistant: Compatible with synthetic/standard engine oils.
      3.Precision Fit: OEM-engineered for exact BMW crankshaft dimensions.
      4.Extended Lifespan: 80,000–100,000 km service interval under normal conditions.

Service Applications

1.  Purpose: Prevents oil leaks at the front crankshaft pulley/balancer interface.
2. Compatible Engines:

• N-Series: N20, N55
• B-Series: B48, B58

     3.Symptoms of Failure:

• • Oil leakage behind harmonic balancer/pulley.

  • Low oil level warnings without visible leaks elsewhere.

Vehicle Compatibility Table

Key:

•  Direct OEM replacement - Exact factory specifications

• Hybrid/EV Note - Not compatible with PHEV/EV variants

• Installation Alert - Requires crankshaft locking tool (BMW 11 2 300)

Additional Compatibility Notes:

1. For N63/S63 engines - Use alternative part number 11117586977

2. M Performance models (e.g., M340i) require verification of crank hub design

3. Early N20 engines (pre-2015) may need additional shim adjustment