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MagnaFlow OEM Grade Manifold Converter 49791 for the 2006-2010 BMW 550i / 650i }
MagnaFlow 49791 oem grade manifold converter, opposite side view of the turntable spin }
MagnaFlow 49791 oem grade manifold converter, front three-quarter view of the turntable spin }
MagnaFlow 49791 oem grade manifold converter, side view of the turntable spin }
MagnaFlow 49791 oem grade manifold converter, rear view of the turntable spin }
MagnaFlow 49791 oem grade manifold converter, opposite rear three-quarter view of the turntable spin }
MagnaFlow 49791 oem grade manifold converter, opposite front three-quarter view of the turntable spin }
MagnaFlow 49791 product photo 48 }
Brand: MagnaflowSKU / Part #: MAG49791
Regular price
$1,506.00
Regular price
$1,506.00
Sale price
$1,506.00
Check your purchasing power Apply at checkout
Subtotal: $1,506.00
MagnaFlow OEM Grade Manifold Cat 2006-2010 BMW 550i / 650i 4.8L 49791
Subtotal: $1,506.00

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Overview

On the 2006-2010 BMW 550i / 650i 4.8L, a light-duty aftermarket cat often brings the check engine light straight back. MagnaFlow's OEM Grade 49791 is built for exactly that job and bolts in without cutting or welding. It is catalogued for the 2006-2010 BMW 550i (Base), 2006-2010 BMW 650i (Base), 2006-2008 BMW 750i (Base) and 2006-2008 BMW 750Li (Base). This is the driver-side converter position, so match it to the unit you are replacing. Shipping weight is about 11 lb.

Features

  • OEM Grade loading sized for the 4.8L OBD-II catalyst monitor
  • Manifold and catalyst arrive as one assembly
  • Driver-side position
  • Fits 2006-2010 BMW 550i: Base
  • Fits 2006-2010 BMW 650i: Base
  • Fits 2006-2008 BMW 750i: Base
  • 1 further model listed in the fitment table

What is in the box

  • Gaskets and mounting hardware for installation

Specs

Part number 49791
Type OEM Grade Manifold Converter
Emissions Federal/EPA compliant (not for CARB states)
Grade OEM Grade
Material 16-gauge 409 stainless steel
Shipping weight 11 lb

Construction

  • OEM Grade catalyst loading for engines with sensitive OBD-II efficiency monitoring
  • Manifold and catalyst in one bolt-on assembly
  • Installs at the factory mounting points without cutting or welding
  • Corrosion-resistant 16-gauge 409 stainless construction
  • Spun body closed with a single laser-fusion weld to resist leaks
  • Mandrel-bent inlet and outlet pipes keep factory flow
  • 308 stainless MIG welds
  • Shape developed from 3D scans of the original part

Installation

Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended.

Fitment notes

Sold for federal (EPA) emissions use only; it cannot be sold or installed in California, Colorado or New York. Check the fitment table below against your vehicle, including trim and engine.

Fitment

Make Model Chassis Year Engine
BMW 550i (Base) — 2006-2010 4.8L
BMW 650i (Base) — 2006-2010 4.8L
BMW 750i (Base) — 2006-2008 4.8L
BMW 750Li (Base) — 2006-2008 4.8L
Fitment
YearMakeModel
2006–2010BMW550i
2006–2010BMW650i
2006–2008BMW750i
2006–2008BMW750li

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions

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