BMW 11340038720 Exhaust Valve Oil Seal for N20B20 N52 N54 N55 Engines - 8-Piece Set OEM Quality
Price:
Negotiation
MOQ:
50PCS
Delivery Time:
5-15Days
Brand:
Czechdes
Product Description
Product Overview
The BMW Exhaust Valve Oil Seal (Part No. 11340038720) is a high-quality OEM replacement component engineered to prevent engine oil from entering the combustion chamber through exhaust valve guides. This critical seal ensures optimal engine performance, reduces oil consumption, and minimizes harmful emissions.
Vehicle Compatibility
| Model Series | Chassis Code | Engine Options | Production Years |
|---|---|---|---|
| 3 Series | E90/E92/E93 | N52B25/N52B30 | 2005-2013 |
| 3 Series | F30 | N55B30 | 2012-2015 |
| 5 Series | E60/E61 | N52B25/N52B30 | 2003-2010 |
| 5 Series | F10/F11 | N55B30 | 2010-2016 |
| X3 | E83 | N52B25/N52B30 | 2006-2010 |
| X3 | F25 | N55B30 | 2010-2017 |
| X5 | E70 | N52B30/N55B30 | 2006-2013 |
| Z4 | E89 | N52B25/N52B30/N54B30 | 2009-2016 |
| 1 Series | E82/E88 | N52B25/N52B30 | 2008-2013 |
Engine Coverage Details
- N52B25 (2.5L I6)
- N52B30 (3.0L I6)
- N54B30 (3.0L Twin Turbo I6)
- N55B30 (3.0L TwinPower Turbo I6)
Important Notes: Also compatible with some N20/N26 4-cylinder turbo engines (verify specific application). Recommended to replace all exhaust valve seals during service. Always check valve stem diameter before installation.
Key Features & Benefits
- Precision Fit: Manufactured to BMW specifications for perfect sealing and long-term durability
- High-Temperature Resistance: Constructed from heat-resistant materials (fluororubber/Viton®) to withstand extreme exhaust temperatures
- Oil Leak Prevention: Effectively stops oil from entering exhaust system, preventing blue smoke and spark plug fouling
- Improved Engine Efficiency: Maintains proper compression and reduces emissions for smoother operation
- OEM Equivalent Quality: Direct replacement for original BMW part ensuring reliability and performance
Symptoms of Failing Exhaust Valve Oil Seal
- Excessive oil consumption
- Blue/gray smoke from exhaust (especially on startup or acceleration)
- Oil fouling on spark plugs
- Reduced engine performance
Product Advantages
- 100% Brand New & Tested with strict quality control
- Easy Installation designed for mechanics and experienced DIYers
- Fast Shipping for immediate dispatch to minimize vehicle downtime
Package Contents
8x Exhaust Valve Oil Seal (Part No. 11340038720)
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Get in Touch
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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