

BMW 5 Series E39 M54 Cylinder Head Bolt | FEBI 12033
BMW 5 Series E39 M54 Cylinder Head Bolt
FEBI 12033 | Original Equipment (OEM) | 100% German Quality
The BMW 5 Series E39, equipped with the M54 engine code, was produced between 1995 and 2003. The cylinder head bolt securely holds the cylinder head in place, maintaining pressure within the engine. This part is critical for the proper functioning of the engine. The cylinder head bolt ensures the engine's sealing while preventing overheating and oil leaks. Therefore, the FEBI 12033 part is essential for the healthy operation of the engine and is an important component of the engine system.
Product Features and Benefits
- OEM Compatibility: FEBI 12033 is manufactured according to original equipment standards. This part is approved by BMW authorized services and designed for perfect compatibility.
- Material Quality: Made using high-quality steel and special coatings, enhancing durability and providing rust protection.
- Durability and Lifespan: This bolt can withstand up to 100,000 km under normal usage conditions. It is resistant to high temperatures and pressure.
- Performance: By ensuring the engine's sealing, it prevents performance loss and optimizes fuel consumption.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards. It undergoes strict quality control tests during the production process.
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 5 Series E39 models with the M54 engine code. This part is used in E39 series vehicles produced between 1995 and 2003. The E39 holds a significant place in BMW's mid-range luxury sedan segment, particularly noted for its performance and comfort.
- Chassis code: E39
- Engine code: M54
- Production year range: 1995-2003
- Trim/Variant: 523i, 528i, 530i
It is recommended to confirm with our support line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
FEBI has been a supplier of original equipment for BMW for many years. Its products meet BMW's quality standards and undergo strict inspections. It has proven its reliability with ISO 9001, TS 16949, and IATF 16949 certifications. FEBI manufactures OE parts for many automotive brands worldwide and offers high quality with its production facilities in Germany.
Installation and Usage Notes
The cylinder head bolt should be carefully placed during engine assembly. It is recommended to replace old bolts with each installation. Torque values should be adjusted according to the assembly guide. This part plays a critical role in the overall health of the engine, so regular checks should be made and replaced when necessary. Additionally, regularly changing the engine oil will extend the lifespan of the bolt.
Frequently Asked Questions
Which E39 models use this cylinder head bolt?
This FEBI 12033 cylinder head bolt is used in BMW 523i, 528i, and 530i models with the E39 chassis code.
Is it original or aftermarket?
FEBI is recognized as an original equipment supplier for BMW. This part is produced in original quality and offers higher durability compared to aftermarket parts.
How many km does this cylinder head bolt last / when should it be replaced?
FEBI 12033 can last up to 100,000 km under normal conditions. It is recommended to replace it when there is a problem with the engine's sealing or when abnormal increases in engine temperature are observed.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the cylinder head bolt can be done with the appropriate tools. However, if you do not have experience with engine assembly, it is recommended to consult a professional.
How long does it take to arrive, do I have a return right?
Our orders are shipped on the same day. The product can be returned within 14 days. You can get support from our contact line for the return process.
German Parts Warehouse Advantages: Same day shipping, 14-day return policy, 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 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
