MagnaFlow Manifold Catalytic Converter 452790 for BMW 545i/645Ci/745i/745Li 2004-2005

MagnaFlow 452790 Manifold Catalytic Converter

When it comes to maintaining your BMW's performance and emissions, the MagnaFlow 452790 Manifold Catalytic Converter is a top-tier choice. This direct-fit replacement is engineered specifically for select BMW models from 2004 to 2005, including the 545i, 645Ci, 745i, and 745Li. Designed to meet California emissions standards, this converter ensures your vehicle stays compliant while delivering the performance you expect.

Fitment

• BMW 545i (2004-2005)
• BMW 645Ci (2004-2005)
• BMW 745i (2004-2005)
• BMW 745Li (2004-2005)

Technical Specifications

• Main Piping Diameter: 2.5 inches
• Material: Stainless Steel
• Oxygen Sensor Location: Pre and Post Converter
• Series: California
• Type: Direct-Fit
• Inlet Attachment: Bolt-On
• Converter Quantity: 1
• Body Material: Stainless Steel
• Certification Level: LEV1 LEV

Customer Feedback

BMW 545i owners have reported that the MagnaFlow 452790 not only fits perfectly but also keeps the Check Engine Light off, a common concern when replacing catalytic converters. One user noted, "Installed this on my 2005 545i, and it fit like a glove. No issues with emissions testing, and my car feels more responsive!"

With its robust stainless steel construction and precise engineering, the MagnaFlow 452790 is built to last and perform. Whether you're tackling daily drives or weekend adventures, this catalytic converter ensures your BMW runs efficiently while meeting strict emissions regulations.