

BMW 3 Series E90 N55 Cylinder Cover Bolt Set | ELRING 459.450
BMW 3 Series E90 N55 Cylinder Head Bolt Set
ELRING 459.450 | Original Equipment (OEM) | 100% German Quality
This cylinder head bolt set is designed for vehicles with the BMW 3 Series E90 N55 engine code and is compatible with models produced between 2007 and 2013. The cylinder head is one of the most important parts of the engine and must be installed correctly for the engine to function properly. This set comes with the original ELRING 459.450 code and helps ensure the engine's air and fuel mixture is optimized. Made from high-quality materials, it enhances engine performance and provides long-lasting use. This part ensures a secure installation of the cylinder head located at the top of the engine.
Product Features and Benefits
- OEM Compatibility: This cylinder head bolt set is manufactured according to BMW's original equipment standards. It is designed to meet authorized service standards and has been specially developed to ensure installation compatibility.
- Material Quality: ELRING has produced this set using high-quality steel and aluminum materials. This increases durability and longevity.
- Durability and Lifespan: This bolt set is designed to withstand the operating conditions of the engine. It offers reliable performance for up to 100,000 km under normal usage conditions.
- Performance: When installed correctly, this set increases the engine's fuel efficiency and reduces emission levels, providing both an economical and environmentally friendly driving experience.
- Testing and Certification: ELRING manufactures this part in accordance with international production standards such as ISO 9001 and TS 16949. This ensures a top-quality and reliable product.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 459.450 |
| Part Type | Cylinder Head Bolt Set |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This cylinder head bolt set is compatible with BMW 3 Series E90 (2007-2013) models. It is specifically designed for vehicles with the N55 engine code. This model features a performance-oriented engine that offers drivers high power and efficiency. The E90 chassis is known as one of BMW's most preferred series, and this part plays a critical role in enhancing engine performance.
- Chassis code: E90
- Engine code: N55
- Production year range: 2007-2013
- Trim/Variant: 320i, 335i
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
ELRING has many years of experience in the spare part industry. As an original equipment supplier for BMW, it meets high-quality standards and supplies parts to many automotive manufacturers worldwide. The production facilities are certified with ISO 9001 and TS 16949. This allows users to confidently choose this part. ELRING has proven its quality by producing OE parts for prestigious brands like BMW.
Installation and Usage Notes
The installation of the cylinder head bolt set should be performed by professionals. Since this part is located at the top of the engine, it is critical that it is placed correctly. During installation, attention must be paid to the torque values of the bolts. A torque value of 25 Nm is generally recommended. Additionally, the cylinder head gasket should also be replaced with this part. Regular maintenance of the engine should be performed, and oil change intervals should be adhered to. Regular checks are recommended to maintain engine performance during city driving and long journeys.
Frequently Asked Questions
Which E90 models is this cylinder head bolt set used for?
This cylinder head bolt set is used in BMW 3 Series E90 models with the N55 engine code, specifically the 320i and 335i models. It is compatible with all E90 models produced between 2007 and 2013.
Is it original or aftermarket?
This part is an original equipment (OE) part produced by the ELRING brand. Its quality standards meet BMW's requirements and offer higher performance compared to aftermarket products.
How many kilometers does this cylinder head bolt set last?
This set is durable for up to 100,000 km under normal usage conditions. It is recommended to replace the part when signs of wear, increased engine noise, or leaks occur.
Can I install it myself, or do I need to take it to a mechanic?
This part is a component that requires expertise for installation. Correct torque values must be applied during the installation process. Therefore, it is recommended to have it installed at an authorized service.
How long does it take to arrive, and do I have a return right?
Your order is shipped on the same day. You have a 14-day return right. If you wish to return the product, it is sufficient to send it back with the invoice.
Advantages of German Parts Warehouse: Same day shipping, 14-day return right, e-archive invoicing, WhatsApp expert support line (wa.me/905382927219). Our stock information is updated in real-time; your order is confirmed only for items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 11122165470 — BMW
- 11127535949 — BMW
- 11127535950 — BMW
- 11127570159 — BMW
