MagnaFlow Rear Manifold Catalytic Converter - BMW M3 (E46) / Z3 M 2001-2006

This MagnaFlow OEM-grade catalytic converter replaces the rear close-coupled manifold converter on the 2001-2006 BMW E46 M3 and Z3 M with the S54 engine. Mandrel-bent stainless construction and laser-cut flanges match OE flow and fit, and it interchanges with OE part numbers 11 62 7 834 674 and 11 62 7 832 064. It meets Federal EPA standards and is not legal in California or other CARB states.

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy