fits model: E90, E92, E93, M3, S65. year: 2008–2013.

| Brand | BMW |
|---|---|
| Manufacturer Part Number | 11727838504 |
| Part Type | HOSE SENSOR |
| Ipn | 11 72 7 838 504 |
The BMW 117 278 385 04 is a critical component for the secondary air system in BMW E90, E92, and E93 M3 models produced between 2008 and 2013. This part, specifically identified as the S65 secondary air hose sensor, plays a crucial role in ensuring the vehicle complies with emissions regulations.
This sensor is designed to monitor the secondary air system, which is responsible for ensuring that unburnt oxygenated exhaust gases are introduced into the catalytic converter during the cooling down phase of the engine. The sensor constantly measures the airflow rate and temperature in the secondary air system, relaying this information to the engine control unit (ECU). Based on this data, the ECU can adjust the fuel injection and ignition timing to optimize the combustion process and minimize emissions.
The BMW S65 secondary air hose sensor is typically mounted on the intake manifold or near the exhaust system. It utilizes a resistive temperature sensor and a flow sensor to measure temperature and airflow, respectively. The sensor's electrical connections are usually color-coded for easy identification and include a ground connection, a power connection, and several signal connections.
Failure of the secondary air hose sensor can result in various symptoms, such as check engine lights, decreased performance, and increased exhaust emissions. Replacing the faulty sensor with a new BMW 117 278 385 04 is an effective solution to resolve these issues.
The sensor comes in an OEM (original equipment manufacturer) condition, ensuring that it meets the highest standards of quality and reliability. By using a genuine BMW part, you can trust that the sensor will function optimally and efficiently in your vehicle, providing accurate measurements to the ECU and maintaining your M3's emissions compliance and overall performance.
The BMW secondary air hose sensor, specifically part number BMW 117 27 838 504 for the 08-13 E90, E92, and E93 M3 models with the S65 engine, is an essential component of the vehicle's emission control system. This sensor monitors the secondary air system that ensures optimal combustion and reduces harmful emissions. Let's discuss the pros and cons of buying this part.
Pros:1. Improved Emission Control: The secondary air hose sensor plays a crucial role in optimizing the emission control system. A faulty sensor can lead to increased emissions, making it essential to replace it when necessary.
2. Enhanced Engine Performance: A functioning secondary air hose sensor ensures proper combustion, which can lead to improved engine performance and fuel efficiency.
3. OEM Quality: BMW is a reputable brand known for its high-quality parts. Buying the OEM sensor ensures that the part is specifically designed for your vehicle, ensuring a precise fit and optimal performance.
Cons:1. Cost: BMW original parts can be quite expensive compared to aftermarket alternatives. This can be a significant drawback for some buyers.
2. Availability: Depending on your location and the availability of BMW dealerships, it may take some time to source and receive this part.
3. Installation Complexity: Installing the secondary air hose sensor may require advanced knowledge and tools, making it a challenging task for some DIY enthusiasts.
In conclusion, the BMW 117 27 838 504 secondary air hose sensor is a crucial component for maintaining optimal engine performance and emission control. While it comes with the advantages of OEM quality and precise fit, it also comes with a higher cost and potential installation complexity compared to aftermarket alternatives. Ultimately, the decision to buy this part depends on your budget, availability, and technical expertise. If you value the peace of mind that comes with using OEM parts and have the resources to install it, then this part is a worthy investment. However, if you're on a tight budget or prefer an easier installation process, you may want to consider aftermarket alternatives.
Condition is used. 08-13 Bmw E90 E92 E93 M3 S65 secondary air hose sensor oem. Shipped with FedEx ground or home delivery.
