BMW 327-59273 Rear Zhp Headers Sensors MS45.1

( Mounting Style: Bolt-on ), ( Items Included: Gasket ), ( Color: Silver ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Fuel Type: Gasoline ), ( Type: Exhaust Header ), ( Ipn: 327-59273 ), ( Manufacturer Warranty: 1 Year ), ( Country Of Origin: Germany )

Review BMW Zhp Factory Headers Rear Sensors fits 330I 2002–2004

Introducing the BMW 327-59273 2004 330i ZHP Rear MS45.1 Catalytic Converters with 02 Sensors, a high-performance upgrade for your BMW 330i ZHP. these headers are a direct replacement for your stock catalytic converters and 02 sensors, offering significant improvements in power and performance.

The MS45.1 catalytic converters are designed to provide improved exhaust flow and increased efficiency, resulting in a noticeable boost in horsepower and torque. The high-flow design allows for a freer exhaust gas flow, resulting in better engine response and a more responsive driving experience.

Additionally, the 02 sensors included in this package are designed to provide accurate and reliable readings of the air-fuel mixture in your engine. By ensuring optimal air-fuel ratio, these sensors help to improve combustion efficiency and reduce emissions.

These BMW 327-59273 2004 330i ZHP Rear MS45.1 Catalytic Converters with 02 Sensors are made from premium materials, ensuring durability and longevity. The catalytic converters are constructed from high-quality stainless steel, while the 02 sensors are built to OEM specifications for precise and accurate readings.

The installation process is straightforward, with no major modifications required. The catalytic converters simply replace the stock units, while the 02 sensors bolt directly onto the exhaust manifolds. However, it is recommended to have the vehicle inspected by a certified mechanic to ensure proper installation and function.

In summary, the BMW 327-59273 2004 330i ZHP Rear MS45.1 Catalytic Converters with 02 Sensors offer a significant power and performance upgrade for your BMW 330i ZHP. With improved exhaust flow, increased efficiency, and accurate air-fuel ratio readings, these upgraded components deliver a more responsive and enjoyable driving experience.

Buying BMW 330i ZHP MS45.1 Rear 02 Sensors (part number: BMW 327-59273 from the year 2004) can have both advantages and disadvantages depending on individual circumstances. Below are some potential pros and cons:

1. Improved Performance: Upgrading to MS45.1 rear 02 sensors can lead to improved engine performance. These sensors are designed to provide more accurate and faster oxygen sensor data to the engine management system, allowing for better fuel mapping and optimal engine efficiency.

2. Enhanced Drivability: The enhanced performance can translate to smoother and more responsive engine power delivery, which can make the driving experience more enjoyable.

3. Durability: MS45.1 sensors are known for their durability and reliability compared to the OEM sensors. This can save you money in the long run by reducing the need for frequent replacements.

1. Cost: MS45.1 rear 02 sensors are more expensive than OEM sensors. The additional cost may not be justifiable for some people, especially if their current sensors are still functioning properly.

2. Installation Complexity: Installing aftermarket sensors can be more complex than installing OEM sensors. This may require additional time, tools, and expertise, which can add to the overall cost and hassle.

3. Potential Compatibility Issues: MS45.1 sensors may not be fully compatible with all BMW 330i ZHP models. It's essential to ensure that the sensors are compatible with your specific vehicle before making a purchase.

In conclusion, upgrading to BMW 327-59273 MS45.1 rear 02 sensors can offer improved performance, enhanced drivability, and durability. However, the higher cost, installation complexity, and potential compatibility issues may not be worth it for everyone. If you're experiencing issues with your current sensors or looking for a significant performance boost, upgrading to MS45.1 sensors could be a worthwhile investment. Otherwise, it may be best to stick with OEM sensors to save money and avoid potential compatibility issues.

If you're considering upgrading to MS45.1 rear 02 sensors, I would recommend doing thorough research on the specific sensors and their compatibility with your BMW 330i ZHP model. Additionally, consider the potential performance gains and the cost-benefit analysis before making a purchase. Installing the sensors yourself may help reduce the overall cost, but if you're not confident in your abilities, consider hiring a professional to ensure proper installation.

part # 327-59273 prices

• $79.99-$150.00

specifications maniheader:

• for models: 330i
• for makes: Bmw
• for years: 2002-2004
• mounting style: Bolt-on
• items included: Gasket
• color: Silver
• vintage part: No
• placement on vehicle: Rear
• fuel type: Gasoline
• type: Exhaust Header
• interchange part number: 327-59273
• manufacturer warranty: 1 Year
• country of origin: Germany

offer maniheader:

• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• started: November 11, 2025

general maniheader:

• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
• condition: Used

seller maniheader:

• # reviews: 19
• rating: 100.0%

payments maniheader:

• credit card: Visa
• other
• wallet: Paypal

returns maniheader:

• policy: No Returns

shipping maniheader:

• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• cost: $63.01
• carrier: USPS
• transit: 3-7 Days

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