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febi bilstein 49851 Screw Kit for rocker cover, pack of one
The Febi Bilstein Screw Kit 49851 is a set of screws designed to fit the rocker cover. It includes one pack of screws and is compatible with the cylinder head cover
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Product Overview
The FEBI BILSTEIN 49851 Screw Kit for Rocker Cover is a precision-engineered set of fasteners designed exclusively for the cylinder head cover (rocker cover) assembly on a wide range of BMW vehicles. This kit contains all the necessary bolts, nuts, and washers required to secure the rocker cover in place, ensuring optimal sealing performance and long-term durability.
Key Features
- OEM Quality Construction: Manufactured to match original equipment specifications, guaranteeing a perfect fit and reliable operation.
- Comprehensive Kit: Includes every component needed for installation—bolts, nuts, lock washers, and torque specifications—eliminating the need for additional parts.
- High-Strength Material: Made from hardened steel with a corrosion-resistant coating to withstand engine heat, oil, and environmental exposure.
- Exact Torque Requirements: Each fastener is pre‑rated with the correct torque value, ensuring consistent clamping force and preventing leaks or over‑tightening.
- Universal Compatibility: Fits a broad spectrum of BMW models ranging from the 1 Series (E87) to the Z4 Roadster (E85), covering engine families such as N52B25A, N52B30A, and related variants.
Compatibility Matrix
The kit is engineered for the following BMW platforms:
| Series / Model | Engine Family | Year Range |
|---|---|---|
| BMW 1 Series (E87) | N52B25A, N52B30A | 2004‑2007 |
| BMW 3 Series (E90/E91) | N52B25A, N52B30A | 2005‑2012 |
| BMW 5 Series (E60/E61) | N52B25A, N52B30A | 2004‑2010 |
| BMW 6 Series (E63/E64) | N52B25A, N52B30A | 2003‑2009 |
| BMW Z4 Roadster (E85/E86) | N52B25A, N52B30A | 2005‑2012 |
| Other variants (E65, E66, E63, etc.) | Applicable to all N52-based engines with rocker cover bolt patterns matching the kit. | Various |
Installation Procedure
- Preparation: Remove the existing rocker cover by loosening and extracting the old bolts. Clean the mounting surface thoroughly to remove oil, dirt, and debris.
- Positioning: Align the new rocker cover with the engine block, ensuring all bolt holes line up precisely.
- Bolting Sequence: Insert each bolt through the corresponding hole. Tighten in a star pattern to distribute pressure evenly.
- Torque Application: Use a calibrated torque wrench to apply the specified torque (typically 30–35 Nm, depending on the exact model). Verify that all bolts reach the target value before proceeding.
- Final Check: Inspect for any gaps or misalignments. Reapply torque if necessary after a short settling period.
Maintenance Tips
- Inspect bolts periodically for signs of wear, corrosion, or loosening—especially in high‑temperature environments.
- Avoid using excessive force during removal; use penetrating oil if bolts appear stuck.
- Replace any damaged or missing components immediately to maintain seal integrity.
Benefits of Choosing FEBI BILSTEIN 49851
- Reliability: OEM-grade parts reduce the risk of leaks, overheating, and engine damage.
- Time Efficiency: All necessary components are included, streamlining the repair or replacement process.
- Long-Term Durability: High‑quality materials resist corrosion and maintain strength under continuous thermal cycling.
- Peace of Mind: The kit’s adherence to original specifications ensures that performance standards are met without compromise.
Technical Specifications
| Component | Specification |
|---|---|
| Bolt Material | Hardened steel, anti‑corrosion coating |
| Nut Material | Stainless steel with locking washer |
| Torque Value | 30–35 Nm (model dependent) |
| Quantity per Kit | 22 bolts, corresponding nuts and washers |
| Package Size | Compact, single‑pack unit |
Conclusion
The FEBI BILSTEIN 49851 Screw Kit for Rocker Cover delivers unmatched precision and reliability for BMW engine maintenance. Its OEM compliance, comprehensive component set, and proven durability make it the preferred choice for technicians and enthusiasts alike who demand excellence in every fastener.
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| Tags | Febi Bilstein |
| Identifiers | |
| Brand |  Febi Bilstein is a German automotive parts manufacturer that produces a wide range of parts, including brake pads, shocks, and struts. The company has a long history of producing high-quality parts and has a reputation for providing excellent customer service. |
| Model | febi bilstein 49851 |
| MPN | febi bilstein 49851 |
| ID | 7048786 |
| Dimensions / Weight | |
| Key Features | |
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