

BMW E46 M52 Cylinder Head Bolt | FEBI 12033 Spare Part
BMW 3 Series E46 M52 Cylinder Head Bolt
FEBI 12033 | Original Equipment (OEM) | 100% German Quality
This cylinder head bolt, produced for BMW 3 Series E46 vehicles with M52 engine code, securely holds the engine's cylinder head in place, ensuring efficient engine operation. Used in E46 chassis code BMW 3 Series models produced between 1998-2006, this part plays a critical role in maintaining the engine's sealing. Made from high-quality materials, FEBI 12033 enhances engine performance and offers long-lasting use. This part is an essential component of the engine system.
Product Features and Benefits
- OEM Compatibility: This cylinder head bolt is manufactured to original equipment standards and is fully compatible with parts used in BMW authorized services.
- Material Quality: Made from high-quality steel material. It is resistant to rust and designed for long-term use.
- Durability and Lifespan: This part can withstand up to 100,000 km. It has high durability against engine temperatures and other harsh conditions.
- Performance: Increases engine sealing, improving fuel efficiency and engine performance.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards. It has undergone high-quality control processes.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 12033 |
| Part Type | Cylinder Head Bolt |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This cylinder head bolt is compatible with BMW 3 Series E46 models with M52 engine code. It is specifically designed for vehicles produced between 1998-2006 with E46 chassis code. This model reflects BMW's high-performance engine technology, and using this part enhances engine efficiency.
- Chassis code: E46
- Engine code: M52
- Production year range: 1998-2006
- Trim/Variant: 320i/323i/325i
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
FEBI is a brand recognized for high-quality products in the spare part industry and supplies original equipment to many automotive manufacturers. As one of BMW's approved suppliers, FEBI meets quality standards with ISO 9001, TS 16949, and IATF 16949 certifications. This part, produced in Germany, is known for its durability and reliability.
Installation and Usage Notes
During the installation of the cylinder head bolt, it is important to tighten each bolt evenly. Typically, during cylinder head installation, torque values should be between 20-30 Nm. It is recommended to replace this part with every engine revision. Additionally, it should be replaced together with the cylinder head gasket. Depending on the vehicle's operating conditions, engine performance may vary in city and long-distance driving.
Frequently Asked Questions
Which E46 models use this cylinder head bolt?
This FEBI 12033 cylinder head bolt is compatible with E46 chassis code BMW 3 Series 320i, 323i, and 325i models with M52 engine code.
Is it original or aftermarket?
FEBI holds the status of an original equipment manufacturer for BMW. Therefore, the FEBI 12033 cylinder head bolt is a product of original part quality and performance.
How many km does this cylinder head bolt last / when should it be replaced?
FEBI 12033 can generally last up to 100,000 km. Signs of wear include engine leaks and reduced engine performance.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the cylinder head bolt is a process that requires attention. It is recommended to be done by a skilled technician. Necessary tools include a torque wrench.
How long does it take to arrive, do I have the right to return?
Your order will be shipped on the same day. You have the right to return within 14 days. Sales are made with e-archive invoices.
Advantages of German Parts Warehouse: Same day shipping, 14-day return policy, sales with e-archive invoices, 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 the correct OE/equivalent part as a quote.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 11121740065 — BMW
Compatible vehicle information not yet added.
