BMW 735i Catalytic Converters

Your One-Stop Shop For Trusted BMW 735i Catalytic Converters

If you’re in search of BMW 735i Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 8 Catalytic Converters from top brands with prices ranging from $5.39 to $740.99.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your BMW 735i.

And don’t forget to read customer reviews across all Catalytic Converters categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Catalytic Converters have to cost top dollar, and we prove it. Browse our top BMW 735i Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential BMW 735i Catalytic Converters

Walker – Exhaust Pipe Flange Gasket (Part No.31365)

Exhaust Pipe Flange Gasket

from

$5.39
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT – Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS – Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE – Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL – Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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MagnaFlow – Catalytic Converter: Universal, 3" T2 Front (Part No.94008)

Catalytic Converter: Universal, 3" T2 Front

from

$124.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94008 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Durable 308 stainless steel MIG welds
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MagnaFlow – Direct-Fit Standard Grade Catalytic Converter (Part No.23559)

Direct-Fit Standard Grade Catalytic Converter

from

$529.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23559 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 1985-1988 BMW 735i and 1988 BMW 735iL. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Torca AccuSeal Exhaust Clamps provide a full 360-degree equally distributed clamping force preventing pipe distortion while creating a complete seal and maintaining serviceability
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • Precision stamped collector design for optimal exhaust flow, engine efficiency, and fuel economy
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Durable 308 stainless steel MIG welds
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Walker – CalCat CARB Universal Catalytic Converter (Part No.81333)

CalCat CARB Universal Catalytic Converter

from

$574.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment. May require specialized fabrication and welding for installation
  • BUY WITH CONFIDENCE — Backed by Walker’s emissions and structural integrity warranty. Visit Walkerexhaust.com for details.
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MagnaFlow – Standard Grade Universal Catalytic Converter – 2.50" (Part No.94007)

Standard Grade Universal Catalytic Converter - 2.50"

from

$124.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94007 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Durable 308 stainless steel MIG welds
See More

Walker – CalCat Universal Converter (Part No.80833)

CalCat Universal Converter

from

$151.99
Walker®, an industry leader for many popular European, Asian and North American vehicles, offers Walker® CalCat® Universal Catalytic Converters, available for OBDII (1996 and newer) vehicles and Pre-OBD (1995 and older) vehicles, specifically formulated to comply with California Air Resource Board (CARB) regulations. Walker® CalCat® Universal Catalytic Converters feature OE-style hangers, brackets, routings and heat shields allowing quick and easy installation of direct-fit units. OE expertise delivers application-engineered parts, providing the best fit and performance for even the most challenging emissions issues, while premium substrate material and a high-technology wash coat ensure exceptional oxygen storage capacity. Walker® CalCat® Catalytic Converters are legal for sale in the state of California, and any state complying with California regulations.

Product Features:
  • Legal for sale in the state of California, complies with C.A.R.B. regulations
  • Stainless steel body with aluminized pipe and heat shields for durability
  • Expandable bushings for custom installation requirements
  • Universal converter may require modification to complete installation
  • 5-year/50,000-mile catalytic performance and structural integrity warranty
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Walker – CalCat CARB Universal Catalytic Converter – 2.5" Inlet (ID) 2" Outlet (ID) (Part No.81133)

CalCat CARB Universal Catalytic Converter - 2.5" Inlet (ID) 2" Outlet (ID)

from

$506.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT – For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY – Optimal high technology wash coat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE – Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE – Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION – Customizable design features expandable bushings for easy fitment and may require specialized fabrication and welding for installation
  • BUY WITH CONFIDENCE – Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity limited warranty
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MagnaFlow – California Universal Catalytic Converter – 2.00-2.50" (Part No.3322037)

California Universal Catalytic Converter - 2.00-2.50"

from

$740.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 3322037 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Durable 308 stainless steel MIG welds
See More

Catalytic Converters Brands You Can Trust For Your BMW 735i

2 trusted brands of Catalytic Converters line our shelves, ready to help keep your BMW 735i running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Popular Walker Catalytic Converters

Walker products for the BMW 735i span several categories. Some of the highest-rated Walker Catalytic Converters that will fit your BMW 735i are:
CalCat Universal Converter
from $151.99
(5)
CalCat Universal Converter
Catalytic Converters

Most Purchased BMW 735i Catalytic Converters from MagnaFlow

When you buy the most frequently purchased MagnaFlow brand Catalytic Converters, you can be confident it will be the right part for your BMW 735i. Here are the MagnaFlow Catalytic Converters Advanced Auto customers buy the most:
Catalytic Converter: Universal, 3" T2 Front
from $124.99
This product is not rated
Catalytic Converter: Universal, 3" T2 Front
Catalytic Converters
Exhaust Pipe Flange Gasket
from $5.39
This product is not rated
Exhaust Pipe Flange Gasket
Catalytic Converter Gaskets
Standard Grade Universal Catalytic Converter - 2.50"
from $124.99
(1)
Standard Grade Universal Catalytic Converter – 2.50"
Catalytic Converters

FAQs for BMW 735i Catalytic Converters

What are the most purchased Catalytic Converters for the BMW 735i?

Out of 8 Catalytic Converters for the BMW 735i, the most popular in our inventory are:
Exhaust Pipe Flange Gasket
from $5.39
This product is not rated
Exhaust Pipe Flange Gasket
Catalytic Converter Gaskets
Catalytic Converter: Universal, 3" T2 Front
from $124.99
This product is not rated
Catalytic Converter: Universal, 3" T2 Front
Catalytic Converters
CalCat CARB Universal Catalytic Converter - 2.5" Inlet (ID) 2" Outlet (ID)
from $506.99
This product is not rated
CalCat CARB Universal Catalytic Converter – 2.5" Inlet (ID) 2" Outlet (ID)
Catalytic Converters

What are the top-rated BMW 735i Catalytic Converters?

Top-rated Catalytic Converters for your BMW 735i based on customer reviews/ratings are:
Standard Grade Universal Catalytic Converter - 2.50"
from $124.99
(1)
Standard Grade Universal Catalytic Converter – 2.50"
“on thecat, the manufacture says its covered for 24 months, advances sYS 90 DAYS, fEDERAL GOV SAYS 5 UYEARS, sO WHO’S LYING”