BMW 633csi Catalytic Converter

EASTERN DIRECT FIT CATALYTIC CONVERTER -- 49-state legal, OBDII, not for sale or use in California; Cannot be shipped to California addresses; 3-way catalyst style; 3-bolt welded type inlet; 3-bolt spin type outlet; 2-1 inlet and dual outlet configuration; 71 in. overall length; With one 18 mm style oxygen sensor port; Standard converter type; Ceramic honeycomb catalyst substrate; Oval metal casing; Built to exact OE dimensions with OE quality flanges and flex assemblies; Features Eastern's proprietary catalytic chemistry and high flow design that maximizes engine output and catalytic efficiency; Easy installation; No welding and cutting required; With Eastern's 5-year or 50,000-mile warranty.

Fits the following 1982-1984 BMW 633CSi submodels:

• 1982-1984: Base; 6 Cyl 3.2L;

EASTERN UNIVERSAL FIT CATALYTIC CONVERTER -- 49-state legal, OBDII, not for sale or use in California; Cannot be shipped to California addresses; 3-way catalyst style; 2.5 in. inlet; 2 in. outlet; Single inlet and dual outlet configuration; 7.25 in. x 4.25 in. x 13 in. body, 17 in. overall length; Without air tube provision and oxygen sensor port; Ceramic honeycomb catalyst substrate; Special body metal casing; Constructed using Eastern's proprietary NANO technology chemistry that yields highly efficient loadings for lower cost and better converter efficiency; Features high flow design that maximizes engine output and catalytic efficiency; Non-directional and can be installed either way; Modification of the exhaust may be required; With Eastern's 5-year or 50,000-mile warranty.

Fits the following 1982-1984 BMW 633CSi submodels:

• 1982-1984: Base; 6 Cyl 3.2L;

CATCO DIRECT FIT CATALYTIC CONVERTER -- 49-state legal, pre-OBDII, not legal for sale or use in California; Cannot be shipped to California addresses; 3-bolt flange welded inlet; 3-bolt flange with 45-degree flare and 3-bolt flange with flat flare outlet; 2-1 inlet and dual outlet configuration; 71.25 in. overall length; Includes heat shield and necessary gasket for a complete installation; Ceramic monolith catalyst substrate; Oval stainless steel casing; Designed with 409 stainless steel pipes and shell for longer life; With Catco's 5-year or 50,000-mile warranty on converter body and 25,000-mile warranty on emissions.

Fits the following 1981-1984 BMW 633CSi submodels:

• 1981-1984: Base; 6 Cyl 3.2L;

CATCO DIRECT FIT CATALYTIC CONVERTER -- 49-state legal, pre-OBDII, not legal for sale or use in California; Cannot be shipped to California addresses; 3-bolt flange welded inlet; 3-bolt flange welded outlet; 2-1 inlet and single outlet configuration; 75 in. overall length; Includes heat shield and necessary gasket for a complete installation; Ceramic monolith catalyst substrate; Oval stainless steel casing; Designed with 409 stainless steel pipes and shell for longer life; With Catco's 5-year or 50,000-mile warranty on converter body and 25,000-mile warranty on emissions.

Fits the following 1979-1981 BMW 633CSi submodels:

• 1979-1981: Base; 6 Cyl 3.2L;

MAGNAFLOW 94000 SERIES CATALYTIC CONVERTER -- 49-state legal, OBDII, EPA compliant, not for sale or use in California; Cannot be shipped to California addresses; 3-way catalyst style; 2 in. inlet; 2.5 in. outlet; Dual inlet and single outlet configuration; 12 in. body length, 6.5 in. width, 16 in. overall length; 6,000 lb. GVW; Includes stainless steel heat shield; Ceramic honeycomb catalyst substrate; Oval stainless steel casing; The most versatile converter of Magnaflow; The main benefit of this catalytic converter is that one unit may cover a wide variety of vehicle makes and models; Installing this converter often requires the use of welding, cutting, and tube bending equipment that is readily available to most professional installers; With Magnaflow's limited warranty.

Fits the following 1978-1984 BMW 633CSi submodels:

• 1978-1984: Base; 6 Cyl 3.2L; "Gas, FI, M30, Naturally Aspirated"

MAGNAFLOW DIRECT-FIT CATALYTIC CONVERTER -- 1.75 in. Welded Flange Inlet, 1.75 in. Female Flare Spin Flange Outlet, 59.75 in. Overall Length, With O2 Sensor Boss, Designed To Exact Original Equipment Specifications, Easy Bolt-On Installation, 49-State OBDII Legal, For Pre-OBDII Only When Used On California-Registered Vehicles, With Magnaflow's Limited Warranty

Fits the following 1981-1984 BMW 633CSi submodels:

• 1981-1984: Base; 6 Cyl 3.2L; "Gas, FI, M30, Naturally Aspirated"

DAVICO DIRECT FIT CATALYTIC CONVERTER -- 49-state legal, not for sale or use in California; Cannot be shipped to California addresses; Gaskets and spring-bolt kits are supplied when necessary; Does not require cutting, sliding, clamping, or welding for installation; With Davico's 5-year or 50,000-mile warranty on converter shell and 1-year warranty on craftsmanship and materials after the installation date of the unit.

Fits the following 1983-1984 BMW 633CSi submodels:

• 1983-1984: Base; 6 Cyl 3.2L;

DAVICO DIRECT FIT CATALYTIC CONVERTER -- 49-state legal, not for sale or use in California; Cannot be shipped to California addresses; Gaskets and spring-bolt kits are supplied when necessary; Does not require cutting, sliding, clamping, or welding for installation; With Davico's 5-year or 50,000-mile warranty on converter shell and 1-year warranty on craftsmanship and materials after the installation date of the unit.

Fits the following 1981-1982 BMW 633CSi submodels:

• 1981-1982: Base; 6 Cyl 3.2L;

BENCHMARK DIRECT FIT CATALYTIC CONVERTER -- 50-state legal, designed specifically to meet C.A.R.B. standards for California; Considered to be the industry's standard replacement catalytic converter; Recognized leader in fitment and durability; Features perfect fit and repeatability; Its performance results are continually monitored by Benchmark's internal emissions laboratory to insure quality loadings which eliminate OBDII issues caused by many universal catalysts; With Benchmark's limited 2-year or 25,000-mile warranty.

Fits the following 1982-1984 BMW 633CSi submodels:

• 1982-1984: Base; 6 Cyl 3.2L;

Not Legal in California

Fits the following 1982-1984 BMW 633CSi submodels:

• 1982-1984: All Submodels; All Engines;

DEC DIRECT-FIT CATALYTIC CONVERTER -- Considered To Be The Industry's Standard Replacement Catalytic Converter, Recognized Leader In Fitment And Durability, Features Perfect Fit And Repeatability, Its Performance Results Are Continually Monitored By DEC's Internal Emissions Laboratory To Insure Quality Loadings Which Eliminate OBDII Issues Caused By Many Universal Catalysts, For Federal Emissions Vehicle, Not Legal For OBDII In California

Fits the following 1982-1984 BMW 633CSi submodels:

• 1982-1984: Base; 6 Cyl 3.2L;

BENCHMARK DIRECT FIT CATALYTIC CONVERTER -- 50-state legal, designed specifically to meet C.A.R.B. standards for California; Considered to be the industry's standard replacement catalytic converter; Recognized leader in fitment and durability; Features perfect fit and repeatability; Its performance results are continually monitored by Benchmark's internal emissions laboratory to insure quality loadings which eliminate OBDII issues caused by many universal catalysts; With Benchmark's limited 2-year or 25,000-mile warranty.

Fits the following 1980-1981 BMW 633CSi submodels:

• 1980-1981: Base; 6 Cyl 3.2L;

BENCHMARK DIRECT FIT CATALYTIC CONVERTER ASSEMBLY -- Federal emissions, 49-state legal, not for sale or use in California; Cannot be shipped to California addresses; Single inlet and dual outlet configuration; Straight pipe assembly with one catalytic converter; Oval casing; Considered to be the industry's standard replacement catalytic converter; Recognized leader in fitment and durability; Features perfect fit and repeatability; Its performance results are continually monitored by Benchmark's internal emissions laboratory to insure quality loadings which eliminate OBDII issues caused by many universal catalysts; With Benchmark's limited 2-year or 25,000-mile warranty.

Fits the following 1980-1981 BMW 633CSi submodels:

• 1980-1981: Base; 6 Cyl 3.2L;

Not Legal in California

Fits the following 1982-1984 BMW 633CSi submodels:

• 1982-1984: All Submodels; All Engines;

BOSAL CATALYTIC CONVERTER -- 70 Inches Length X 12 Inches Width X 17 Inches Height, Direct Fit OE Replacement Catalytic Converter, Made To Fit Vehicle-Specific Requirements For Backpressure, Emissions, Sound Levels, And Sensors, Designed And Built For Long Life Reliability, With Bosal's Free Limited Lifetime Warranty

Fits the following 1982-1984 BMW 633CSi submodels:

• 1982-1984: Base; 6 Cyl 3.2L;