The BMW 335i is a high-performance vehicle that requires proper maintenance to ensure optimal performance. One of the essential components of the BMW 335i is the oil cooler, which plays a crucial role in regulating the engine oil temperature. However, some BMW 335i models do not come with a factory oil cooler, which can lead to engine overheating and reduced performance. In such cases, installing a BMW 335i oil cooler retrofit kit is an excellent solution.
An oil cooler retrofit kit is a set of components that enable you to install an oil cooler in your BMW 335i that did not come with one from the factory. The retrofit kit includes all the necessary components, such as the oil cooler thermostat housing, hex bolts, torx screws, and O-rings, among others. The oil cooler retrofit kit is made up entirely of Genuine BMW Parts, ensuring that you get high-quality components that are compatible with your vehicle.
Key Takeaways
- Installing a BMW 335i oil cooler retrofit kit is an excellent solution for BMW 335i models that did not come with a factory oil cooler.
- The oil cooler retrofit kit includes all the necessary components, such as the oil cooler thermostat housing, hex bolts, torx screws, and O-rings, among others.
- The oil cooler retrofit kit is made up entirely of Genuine BMW Parts, ensuring that you get high-quality components that are compatible with your vehicle.
Overview of BMW 335i Oil Cooler Retrofit
The BMW 335i is a high-performance vehicle that requires proper maintenance to ensure its longevity. One of the essential components of the car is the oil cooler. The oil cooler helps to regulate the temperature of the engine oil, which in turn prevents engine damage due to overheating. However, the stock oil cooler in the BMW 335i is not sufficient for high-performance driving, and it can lead to engine failure.
To address this issue, BMW has designed an oil cooler retrofit kit specifically for the BMW 335i. The oil cooler retrofit kit is a direct fit for the N54 engine and can be installed with minimal modifications. The kit includes all the necessary components, such as precision-crafted brackets, fittings, hoses, and a thermostat housing with a thermostat.
The oil cooler retrofit kit is made up entirely of genuine BMW parts, ensuring that the quality and performance of the kit are up to the manufacturer’s standards. The kit is designed to seamlessly integrate into the vehicle’s existing oil cooling system, making installation straightforward and hassle-free.
The BMW 335i oil cooler retrofit kit is an excellent investment for owners who want to ensure the longevity of their vehicle and prevent engine damage due to overheating. The kit is easy to install, made up of high-quality components, and designed to meet the specific needs of the BMW 335i. With the oil cooler retrofit kit, owners can enjoy high-performance driving without worrying about engine failure due to overheating.
Benefits of Upgrading the Oil Cooler
Upgrading the oil cooler in your BMW 335i can provide numerous benefits that can help improve the performance and longevity of your vehicle. Here are some of the key benefits of upgrading to an oil cooler retrofit kit:
Improved Cooling Performance
The primary benefit of upgrading the oil cooler is improved cooling performance. The stock oil cooler in the BMW 335i is not designed to handle the demands of high-performance driving, especially in hot climates. By upgrading to a larger and more efficient oil cooler, you can reduce the risk of engine damage due to overheating and improve the overall performance of your vehicle.
Reduced Engine Wear
High engine temperatures can cause oil to break down and lose its lubricating properties. This can lead to increased engine wear and reduced engine life. By upgrading to a better oil cooler, you can reduce the risk of oil breakdown and extend the life of your engine.
Improved Fuel Economy
When your engine runs hot, it can cause your fuel economy to suffer. By upgrading to an oil cooler retrofit kit, you can help keep your engine running at a cooler and more efficient temperature, which can improve your fuel economy.
Better Resale Value
Upgrading your BMW 335i with an oil cooler retrofit kit can also help improve its resale value. Potential buyers will appreciate the added performance and longevity benefits of an upgraded oil cooler, which can make your vehicle more attractive and valuable on the used car market.
Overall, upgrading the oil cooler in your BMW 335i is a smart investment that can provide numerous benefits. Whether you’re a performance enthusiast or simply want to protect your engine from overheating, an oil cooler retrofit kit is a worthwhile upgrade to consider.
Compatibility and Selection
Determining Compatibility with Your BMW 335i
Before purchasing an oil cooler retrofit kit for your BMW 335i, it is important to determine whether your vehicle is compatible with the kit. The retrofit kit is designed specifically for BMW E90 335i N54 3.0L, BMW E90 335xi N54 3.0L, BMW E92 335i N54 3.0L, BMW E92 335xi N54 3.0L, and BMW E93 335i N54 3.0L models. If your vehicle is not one of these models, the kit may not be compatible and may not function properly.
Choosing the Right Retrofit Kit
When selecting an oil cooler retrofit kit for your BMW 335i, it is important to choose a kit that is designed specifically for your model. The Genuine BMW Oil Cooler Retrofit Kit (Mfg#17227521376KT) is a popular choice for BMW 335i owners. This kit includes everything you need to professionally retrofit a factory oil cooler to your N54 E9X 335i or 335xi.
It is also important to consider the quality and performance of the kit. The selection of oil cooler retrofit kits available on the market varies in terms of quality and performance. It is recommended to choose a kit that is made up entirely of Genuine BMW Parts, as they are meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.
Furthermore, it is important to choose a kit that is easy to install and comes with clear instructions. The installation process can be complex and time-consuming, so it is important to choose a kit that is designed for easy installation. The Genuine BMW Oil Cooler Retrofit Kit includes all the necessary hardware and detailed instructions to ensure a smooth installation process.
In conclusion, choosing the right oil cooler retrofit kit is essential for ensuring optimal performance and longevity of your BMW 335i. By selecting a kit that is compatible with your model, made up of high-quality parts, and easy to install, you can ensure that your vehicle is equipped with the best possible oil cooling system.
Components of the Retrofit Kit
The BMW 335i Oil Cooler Retrofit Kit is a comprehensive package that includes everything needed to retrofit a factory oil cooler to a BMW E9X 335i or 335xi. The kit is made up entirely of genuine BMW parts, ensuring a perfect fit and optimal performance. The kit includes the following components:
Oil Cooler Unit
The oil cooler unit is the centerpiece of the retrofit kit. It is designed to regulate oil temperature and prevent overheating. The oil cooler unit included in the kit is a genuine BMW part and is specifically designed to fit the BMW E9X 335i or 335xi.
Mounting Hardware
The mounting hardware included in the kit is designed to securely attach the oil cooler unit to the vehicle. The kit includes Hex Bolt M6X20, (3) Torx Screw M8x25, and Oil Cooler Thermostat Housing Plug.
Oil Lines and Fittings
The oil lines and fittings included in the kit are designed to connect the oil cooler unit to the engine. The kit includes all the necessary fittings and hoses for a complete installation.
Thermostatic Valve
The thermostatic valve is a critical component of the oil cooler retrofit kit. It is designed to regulate the flow of oil through the cooler and ensure optimal temperature regulation. The kit includes the Oil Cooler Thermostat Housing With Thermostat and (4) O-Ring for Oil Cooler.
In conclusion, the BMW 335i Oil Cooler Retrofit Kit is a comprehensive package that includes everything needed to retrofit a factory oil cooler to a BMW E9X 335i or 335xi. It is made up entirely of genuine BMW parts, ensuring a perfect fit and optimal performance. The kit includes the oil cooler unit, mounting hardware, oil lines and fittings, and thermostatic valve.
Tools Required for Installation
Installing a BMW 335i oil cooler retrofit kit requires a few basic tools. These tools are not included with the kit and must be purchased separately.
Here are the tools required for installation:
- Socket wrench set
- Torque wrench
- Screwdriver set
- Pliers
- Hose cutter
- Hose clamp pliers
- Pry bar
- Jack and jack stands
- Drain pan
It is important to have all the necessary tools before starting the installation process. This will ensure a smooth and efficient installation process.
The socket wrench set is needed to remove bolts and nuts. The torque wrench is used to tighten bolts and nuts to the correct torque specifications. The screwdriver set is used to remove screws and other fasteners. Pliers are used to grip and hold parts in place. A hose cutter is needed to cut hoses to the correct length. Hose clamp pliers are used to remove and install hose clamps. A pry bar is used to remove parts that are difficult to remove. The jack and jack stands are used to lift the car and support it during the installation process. A drain pan is used to catch any oil that may spill during the installation process.
Overall, the tools required for installing a BMW 335i oil cooler retrofit kit are basic and can be found at most auto parts stores. It is important to have all the necessary tools before starting the installation process to ensure a successful installation.
Installation Guide
Preparation and Safety
Before starting the installation process, it is important to ensure that all necessary tools and equipment are available. The following tools are typically required for the installation of a BMW 335i oil cooler retrofit kit:
- Socket wrench set
- Torque wrench
- Pliers
- Screwdrivers
- Drain pan
- Funnel
It is also important to follow all safety precautions when working with the oil cooler system. Always wear protective gloves and eyewear, and be sure to allow the engine to cool down before starting the installation process.
Removal of the Existing Oil Cooler
To begin the installation process, the existing oil cooler must be removed from the vehicle. This typically involves draining the oil from the system and disconnecting the hoses and electrical connections.
Once the oil cooler has been removed, it is important to inspect the surrounding area for any signs of damage or wear. Any damaged components should be replaced before installing the new oil cooler.
Installation of the New Oil Cooler
The new oil cooler can now be installed in place of the old one. This typically involves connecting the hoses and electrical connections, and securing the oil cooler in place with the appropriate bolts and screws.
It is important to follow the manufacturer’s instructions carefully when installing the new oil cooler, and to ensure that all connections are properly tightened to prevent leaks.
Oil System Refill and Check
Once the new oil cooler has been installed, the oil system must be refilled and checked for proper operation. This typically involves adding new oil to the system and checking for any leaks or other issues.
It is important to follow the manufacturer’s instructions carefully when refilling the oil system, and to ensure that the oil level is within the recommended range. Once the oil system has been refilled and checked, the installation process is complete.
Overall, the installation of a BMW 335i oil cooler retrofit kit can be a straightforward process when all necessary precautions are taken and the manufacturer’s instructions are followed carefully.
Performance Testing Post-Installation
After installing a BMW 335i oil cooler retrofit kit, it’s important to test the performance to ensure that the kit is working as intended. One way to do this is by monitoring the oil temperature during operation.
During testing, it’s recommended to monitor the oil temperature both before and after the installation of the retrofit kit. This will allow for a comparison of the oil temperature readings and determine if the kit is effectively reducing the oil temperature.
Additionally, it’s important to test the car’s performance after the installation of the oil cooler retrofit kit. This can be done by measuring the car’s acceleration, top speed, and handling. While the retrofit kit is not designed to directly improve the car’s performance, it may indirectly improve performance by reducing the likelihood of engine overheating and damage.
It’s important to note that the performance testing results may vary depending on the specific kit used and the car’s individual characteristics. Therefore, it’s recommended to consult with a professional mechanic or BMW specialist to ensure that the retrofit kit is properly installed and functioning as intended.
Overall, performance testing post-installation of a BMW 335i oil cooler retrofit kit is an important step to ensure that the kit is working effectively and improving the car’s overall performance.
Maintenance Tips for the Upgraded Oil Cooler
After installing an upgraded oil cooler on a BMW 335i, it is important to properly maintain the system to ensure optimal performance and longevity. Here are some maintenance tips:
Regular Inspection
It is important to regularly inspect the oil cooler for any signs of damage or leaks. Check the oil cooler and the surrounding area for any oil residue or wet spots. If any issues are found, address them promptly to prevent further damage to the engine.
Oil Changes
Regular oil changes are essential to maintain the performance of the oil cooler. It is recommended to change the oil every 7,500 miles or as recommended by the manufacturer. Use high-quality synthetic oil to ensure proper lubrication and cooling.
Flushing the System
It is recommended to flush the oil cooler system every 50,000 miles or as recommended by the manufacturer. This helps to remove any contaminants that may have accumulated in the system and ensures optimal performance.
Upgraded Thermostat
To further improve the performance of the oil cooler, it is recommended to install an upgraded thermostat. This helps to regulate the oil temperature and prevent overheating, which can cause damage to the engine.
By following these maintenance tips, BMW 335i owners can ensure that their upgraded oil cooler system performs optimally and lasts for a long time.
Troubleshooting Common Issues
While the BMW 335i oil cooler retrofit kit is a great solution to prevent overheating and engine damage, there are some common issues that may arise during installation or use. Here are some tips to help troubleshoot these issues:
Oil Leaks
One of the most common issues with the oil cooler retrofit kit is oil leaks. This can be caused by a variety of factors, including loose fittings, damaged hoses, or faulty seals. To identify the source of the leak, it is important to inspect the entire oil cooler system, including the hoses, fittings, and seals. Tighten any loose fittings and replace any damaged hoses or seals as needed.
Reduced Cooling Efficiency
If the oil cooler system is not cooling the oil efficiently, it can lead to engine damage. This can be caused by a clogged or dirty oil cooler, insufficient airflow, or a malfunctioning fan. To troubleshoot this issue, inspect the oil cooler for any signs of debris or dirt buildup. Clean the oil cooler and ensure that there is sufficient airflow around the cooler. If the fan is not functioning properly, it may need to be replaced.
Overheating
If the engine is still overheating after the oil cooler retrofit kit has been installed, it may be due to a faulty thermostat or water pump. Inspect these components and replace them if necessary. It is also important to ensure that the coolant level is sufficient and that there are no leaks in the cooling system.
By following these troubleshooting tips, you can ensure that your BMW 335i oil cooler retrofit kit is functioning properly and preventing engine damage. If you are still experiencing issues, it may be necessary to consult a professional mechanic for further assistance.
Frequently Asked Questions
What are the benefits of installing an oil cooler retrofit kit on a BMW 335i?
Installing an oil cooler retrofit kit on a BMW 335i can help to lower engine oil temperatures and prevent thermal breakdown of the oil. This can reduce the risk of engine damage and prolong the life of the engine. Lower oil temperatures can also help to improve engine performance and reliability, especially in high-performance driving situations.
How does an aftermarket oil cooler compare to the OEM oil cooler for the BMW 335i?
Aftermarket oil coolers can offer similar or better performance than the OEM oil cooler for the BMW 335i. Some aftermarket oil coolers are larger and more efficient than the OEM unit, which can provide better cooling performance. However, it is important to choose a high-quality aftermarket oil cooler that is designed specifically for the BMW 335i to ensure proper fitment and function.
What is involved in the installation process of an oil cooler retrofit kit for a 2007-2013 BMW 335i?
The installation process for an oil cooler retrofit kit for a 2007-2013 BMW 335i can vary depending on the specific kit and the skill level of the installer. In general, the installation process involves removing the factory oil filter housing and replacing it with a new housing that includes provisions for the oil cooler lines. The oil cooler itself is then mounted in a location that allows for optimal airflow and cooling performance. Some kits may require additional modifications or parts to be installed.
Can installing an oil cooler retrofit kit on a BMW 335i improve engine performance?
Installing an oil cooler retrofit kit on a BMW 335i can help to improve engine performance by reducing oil temperatures and preventing thermal breakdown of the oil. This can help to improve engine reliability and reduce the risk of engine damage. Lower oil temperatures can also help to prevent power loss due to heat soak, especially in high-performance driving situations.
Are there specific oil cooler retrofit kits recommended for BMW 335i models with the N54 engine?
There are several oil cooler retrofit kits available for BMW 335i models with the N54 engine. Some popular options include the Genuine BMW Oil Cooler Retrofit Kit, the VRSF Oil Cooler Kit, and the Mishimoto Oil Cooler Kit. It is important to choose a kit that is designed specifically for the N54 engine to ensure proper fitment and function.
What are common issues to look out for after installing an oil cooler retrofit kit on a BMW 335i?
After installing an oil cooler retrofit kit on a BMW 335i, it is important to monitor oil temperatures and ensure that the kit is functioning properly. Some common issues to look out for include oil leaks, improper fitment, and insufficient cooling performance. It is also important to ensure that the oil cooler is properly maintained and cleaned to prevent clogging and other issues.