

BMW 3 Series E46 N40 N42 N45 N46 Thermostat Housing | FEBI 176568
BMW 3 Series E46 N40, N42, N45, N46 Thermostat Cover
FEBI 176568 | Original Equipment (OEM) | 100% German Quality
This thermostat cover, produced for BMW 3 Series E46 vehicles with N40, N42, N45, and N46 engine codes, is used in models manufactured between 1998 and 2006. Thermostat covers are one of the essential components of the engine's cooling system and help maintain the engine's ideal operating temperature. This part enhances performance by preventing the engine from overheating and extends the engine's lifespan. Known by the code FEBI 176568, this product is critical for ensuring the reliability of the engine cooling system.
Product Features and Benefits
- OEM Compatibility: As an original equipment manufacturer, FEBI guarantees that this thermostat cover is produced according to BMW standards. The part complies with authorized service standards and ensures perfect fit during installation.
- Material Quality: Manufactured using high-quality plastic and metal materials. This increases the durability of the part and ensures its longevity.
- Durability and Lifespan: The estimated lifespan of this thermostat cover is 80,000 km. It is resistant to extreme temperatures and coolant conditions.
- Performance: By enhancing the efficiency of the engine's cooling system, it provides fuel savings and reduces emissions. This offers an environmentally friendly and economical driving experience.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards. FEBI is recognized for its high-quality control processes.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 176568 |
| Part Type | Thermostat Cover |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Cooling System |
Vehicle Compatibility
This thermostat cover is compatible with BMW 3 Series E46 vehicles that have N40, N42, N45, and N46 engine code versions. These models were produced between 1998 and 2006 and reflect BMW's engineering quality during this period.
- Chassis code: E46
- Engine code: N40, N42, N45, N46
- Production year range: 1998-2006
- Trim/Variant: 3 Series
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 has many years of experience in the automotive spare part market. As an original equipment supplier for BMW, FEBI is recognized for its high-quality standards. Production processes supported by ISO 9001 and TS 16949 certifications enhance the reliability of this brand. These parts, produced in Germany, meet all quality criteria set by BMW.
Installation and Usage Notes
The most important point to consider during the installation of the thermostat cover is to completely clean the old part. It is recommended to replace the gasket before installation. A torque value of 10 Nm is suggested. Since this part is part of the engine cooling system, it would be beneficial to check it during the engine coolant change. Additionally, during the thermostat cover replacement, it is important to properly fill the coolant and eliminate air pockets.
Frequently Asked Questions
In which E46 models is this thermostat cover used?
This thermostat cover is used in BMW 3 Series E46 models with N40, N42, N45, and N46 engine codes.
Is this part original or aftermarket?
FEBI is an original equipment supplier for BMW, and this part is of original equipment quality. Compared to aftermarket parts, it has higher durability and reliability.
How many kilometers does this thermostat cover last?
Typically, this thermostat cover can last up to 80,000 km. However, this duration may be shorter under extreme temperature and coolant conditions.
Can I install it myself, or do I need to take it to a professional?
The installation of the thermostat cover requires specific technical knowledge. If you do not have experience in this area, it is recommended to consult a professional. Installation can be done with the necessary tools.
How long does it take for this part to arrive, and do I have a return right?
Your order is 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, e-archive invoiced sales, WhatsApp expert support line (wa.me/905382927219). Our stock information is updated in real-time; your order is only confirmed 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.
- 11517506576 — BMW
- 11517572859 — BMW
