2004 BMW X3 Emission Control

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    • (1 review)
      # 21074947
      BMW X3 2004, Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle, moderate...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $44.35 - $78.68
    • (0 reviews)
      # 485627288
      BMW X3 2004, Professional™ Oxygen Sensor by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen Sensors help....
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $81.70 - $193.68
    • (0 reviews)
      # mpn995366
      BMW X3 3.0L Automatic Transmission 2004, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $114.32
    • (1 review)
      # 44883876
      BMW X3 2004, Oxygen Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...
      One-piece laser welded body for maximum protection and precise operation maintaining sensor integrityDual internal talc seal makes Our Oxygen sensors last longer
      $46.35 - $90.74
    • (0 reviews)
      # mpn1741938327
      BMW X3 2004, Intermotor™ Vapor Canister by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersEach fuel vapor canister is designed and tested to OE specifications for a direct-fit replacement controlling the loss of evaporative emissions from fuel systems to the environment.
      $279.80
    • (0 reviews)
      # 689262656
      BMW X3 2004, Universal Fit Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $61.06
    • (0 reviews)
      # 24142564
      BMW X3 2004, Premium Oxygen Sensor by Bosch®. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from Bosch that is equally...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $51.20 - $86.32
    • (0 reviews)
      # 24142594
      BMW X3 2004, Universal Fit Oxygen Sensor by Bosch®. Universal Oxygen Sensors with OE SmartLink are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum replacement of worn harnesses. Properly...
      Patented SmartLink™ connector systemNo special tools required for installation
      $54.56
    • (0 reviews)
      # 24142591
      BMW X3 3.0L Automatic Transmission 2004, Wideband Oxygen Sensor by Bosch®. Position: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. Wideband...
      Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor
      $109.92
    • (0 reviews)
      # 22133250
      BMW X3 2004, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals back to the...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $51.52 - $88.65
    • (0 reviews)
      # 81757924
      BMW X3 2004, Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to develop the most...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $57.21 - $99.92
    • (0 reviews)
      # 689245661
      BMW X3 2004, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous testing...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $37.36 - $104.62
    • (0 reviews)
      # 644319019
      BMW X3 2004, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous testing...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $59.44 - $104.62
    • (0 reviews)
      # 138863939
      BMW X3 2004, Oxygen Sensor by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories,...
      Makes installation quick and easyOptimal OE-style fit and quality
      $90.37 - $100.43
    • (0 reviews)
      # 156702861
      BMW X3 2004, Intermotor™ PCV Valve by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $52.25 - $58.82
    • (0 reviews)
      # 45141733
      BMW X3 2004, TechSmart™ Engine Oil Separator by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $93.31 - $131.97
    • (0 reviews)
      # 155114279
      BMW X3 2.5L / 3.0L 2004, PCV Valve by Dorman®. The PCV Valve is a major component of the PCV System. Designed from high-quality materials for sustained reliability, Dorman's PCV Valve provides a one-way direction for air to flow...
      Direct replacement for a proper fitSave time and money by replacing failed valve, instead of the entire assembly
      $36.16 - $69.33
    • (0 reviews)
      # 77576767
      BMW X3 2004, Engine Crankcase Vent Valve by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system...
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $21.20 - $58.62
    • (0 reviews)
      # mpn1032498608
      BMW X3 With Cold Climate Version 2004, PCV Valve by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust...
      High quality plastic and/or steel constructionDirect replacement for a proper fit every time
      $42.56
    • (0 reviews)
      # 588417876
      BMW X3 2.5L / 3.0L 2004, Engine Crankcase Vent Valve by Gates®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time...
      Resistant to fuel vapors and oilDirect replacement ensures exact fit and easy installation
      $33.64 - $34.73
    • (0 reviews)
      # 52275227
      BMW X3 2004, PCV Valve by Beck Arnley®. Original Equipment Type. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles...
      OE quality products from top original equipmentTop quality materials
      $32.49 - $45.34
    • (0 reviews)
      # 507790725
      BMW X3 2004, PCV Valve Kit by Beck Arnley®. Original Equipment Type. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...
      OE quality products from top original equipmentTop quality materials
      $102.17 - $113.74
    • (0 reviews)
      # 990532536
      BMW X3 2004, Crankcase Ventilation Valve by Febi®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
      24 Months/24,000 Miles WarrantyThe finest quality at a great price
      $28.41 - $111.38
    • (0 reviews)
      # mpn2653280426
      BMW X3 2.5L / 3.0L 2004, Secondary Air Injection Pump by Dorman®. Pulley Not Required. Dorman’s A.I.R. Pump comes with all the hardware and other components necessary for a complete repair. Since this part is a direct replacement, the...
      Save money by replacing only the failed pump - instead of the entire mating cover assemblyReplacement restores A.I.R. System to proper functioning
      $347.95
    • (0 reviews)
      # 824124352
      BMW X3 2004, Secondary Air Injection Pump by Pierburg®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      24 Months/24,000 MilesMade to provide unequaled quality and reliability
      $209.32 - $267.07
    • (0 reviews)
      # mpn1145251044
      BMW X3 2.5L / 3.0L 2004, Catalytic Converter by AP Exhaust®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $168.76
    • (0 reviews)
      # 346264862
      BMW X3 2.5L / 3.0L 2004, ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Emissions: EPA compliant. If you need to replace your failed or damaged manifold, this product is the right choice....
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $430.19 - $430.78
    • (0 reviews)
      # 231030203
      BMW X3 2004, Exhaust Manifold with Integrated Catalytic Converter by DEC®. Emissions: EPA compliant. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters...
      Direct fitMade from a heavy duty stainless steel outer shell
      $384.13 - $385.56
    • (0 reviews)
      # 564955728
      BMW X3 2.5L / 3.0L 2004, Exhaust Manifold with Integrated Catalytic Converter by Davico®. Emissions: EPA compliant. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $342.96 - $366.27
    • (0 reviews)
      # 49709140
      BMW X3 2.5L / 3.0L with LEV Standard / with LEV1 Standard 2004, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. With...
      $211.28
    • (0 reviews)
      # 62246914
      BMW X3 2.5L / 3.0L 2004, OEM Grade Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Collector Outlet Diameter: 2". Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. If your car needs...
      $774.33 - $826.18
    • (0 reviews)
      # mpn4494287372
      BMW X3 2004, Cylinder Head Cover Breather Hose by Vaico®. Vent Valve to Valve Cover. Position: Left. Quality results from the consistent pursuit of an customer-focused strategy. Clients wishes are in the center of business. Vaico aim:...
      Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment
      $16.35
    • (0 reviews)
      # mpn4494287366
      BMW X3 2004, Engine Block Breather Valve by Vaico®. Pressure Regulating Valve. Quality results from the consistent pursuit of an customer-focused strategy. Clients wishes are in the center of business. Vaico aim: the best quality for...
      Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment
      $30.01
    • (0 reviews)
      # 784262377
      BMW X3 2004, Engine Block Breather Valve Kit by Vaico®. Quality results from the consistent pursuit of an customer-focused strategy. Clients wishes are in the center of business. Vaico aim: the best quality for your satisfaction. As a...
      Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment
      $99.38 - $102.20
    • (0 reviews)
      # mpn53632163
      BMW X3 2004, Intermotor™ Vapor Canister Purge Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $66.89
    • (0 reviews)
      # mpn53631507
      BMW X3 2004, TechSmart™ Leak Detection Pump by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $79.55
    • (0 reviews)
      # mpn1291597266
      BMW X3 2.5L / 3.0L 2004, Leak Detection Pump by Dorman®. Keep your vehicle’s emission control system in top-notch condition with superior Dorman replacement emission control parts. Manufactured from top-grade materials using advanced...
      Manufactured from premium grade materialsBuilt to provide exceptional OE quality and function
      $71.95
    • (0 reviews)
      # mpn3610173984
      BMW X3 2.5L / 3.0L 2004, Secondary Air Injection Check Valve by Dorman®. Keep your vehicle’s emission control system in top-notch condition with superior Dorman replacement emission control parts. Manufactured from top-grade materials...
      Manufactured from premium grade materialsBuilt to provide exceptional OE quality and function
      $101.95
    • (0 reviews)
      # mpn4495526430
      BMW X3 2004, Secondary Air Injection Control Valve by Pierburg®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      24 Months/24,000 MilesMade to provide unequaled quality and reliability
      $80.91
    • (0 reviews)
      # mpn4495526497
      BMW X3 3.0L 2004, Vacuum Control Valve by Pierburg®. Electronic Type. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
      24 MonthsMade to provide unequaled quality and reliability
      $28.84
    • (0 reviews)
      # 31667802
      BMW X3 2.5L / 3.0L 2004, PCV Valve Hose by Dorman®. PCV Hoses allows crankcase pressure to escape the engine in a controlled manner. Plus, now with Dorman's PCV Valve Hoses you can replace just the hose, without the expense and hassle...
      Constructed of high quality materials for long lasting useDirect replacement for a proper fit every time
      $13.95 - $19.80
    • (0 reviews)
      # 77576760
      BMW X3 2004, Breather Hose by URO Parts®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out to...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $5.66 - $18.18
    • (0 reviews)
      # 49155057
      BMW X3 2.5L / 3.0L 2004, PCV Valve Hose by Gates®. Emission Hose is constructed from high quality materials for durability and maximum service life. Replacement hose effectively restores the emission system to proper operation and...
      High quality at an affordable priceExpertly made from premium materials
      $8.55 - $48.09
    • (0 reviews)
      # 689680305
      BMW X3 2.5L / 3.0L 2004, Breather Hose by Rein®. Air, breather, and vacuum hoses channel air and vapors and make sure your vacuum operated accessories can be properly actuated. Unfortunately, age and exposure to heat and the environment...
      Direct fit, form, and functionEngineered to the highest OE standards
      $7.18 - $172.39
    • (0 reviews)
      # mpn4488856484
      BMW X3 With Cold-Climate Version (S842A) 2004, Breather Hose by Febi®. Location: Vent Valve To Crankcase. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $14.76
    • (0 reviews)
      # mpn4515245708
      BMW X3 2004, Crankcase Ventilation Hose by Febi®. Return Pipe from Connecting Hose. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...
      24 Months/24,000 Miles WarrantyThe finest quality at a great price
      $12.89
    • (0 reviews)
      # 997250437
      BMW X3 2004, Crankcase Vent Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $72.82 - $83.19
    • (0 reviews)
      # mpn4498313293
      BMW X3 2004, Engine Crankcase Vent Kit by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $49.58
    • (0 reviews)
      # mpn4515574205
      BMW X3 With Cold-Climate Version / Without Cold-Climate Version 2004, Engine Crankcase Vent Valve by TRUCKTEC®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      High quality at an affordable priceExpertly made from premium materials
      $29.05
    • (0 reviews)
      # mpn4495482095
      BMW X3 3.0L 2004, Secondary Air Injection Pump Filter by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $21.50
    • (0 reviews)
      # 821305108
      BMW X3 2004, Crankcase Breather Hose by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $28.75 - $45.21
    • (0 reviews)
      # mpn4495481958
      BMW X3 2004, Secondary Air Injection Hose by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $43.95
    • (0 reviews)
      # mpn4510091500
      BMW X3 2004, PCV Valve Grommet by URO Parts®. Make your vehicle operating quiet again by replacing your malfunctioning component with this top-notch emission control part. The dependable URO part will make your exhaust system work as it...
      Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation
      $3.05
    • (0 reviews)
      # 152230656
      BMW X3 3.0L Automatic Transmission 2004, Air Fuel Ratio Sensor by NTK®. Position: Upstream. Air/Fuel Ratio Sensors Utilize a Sophisticated Sensing Element that Enables Them to Produce a Precise Output in Proportion to the Air/Fuel...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $141.16
    • (0 reviews)
      # 100279303
      BMW X3 2.5L / 3.0L Engine Family # 4BMXT03.0E83 with LDT2/MDV Weight Class 2004, ECO CARB Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval....
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $182.34
    • (0 reviews)
      # mpn4515574405
      BMW X3 2004, Engine Crankcase Vent Kit by Febi®. Designed utilizing the latest technologies and manufactured from premium materials using state-of-the-art manufacturing equipment, this Febi product will provide years of dependable...
      Carefully crafted to provide optimum performanceMade from premium materials to last
      $72.24
    • (0 reviews)
      # mpn4510091054
      BMW X3 With Cold-Climate Version (S842A) 2004, PCV Valve by Febi®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $146.59


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      August 18, 2014
      Oxygen Sensors - Why Does My Car Have Four, And...
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      by Michael Grayen
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      Auto Parts: Dealer vs. Aftermarket
      The question of whether to buy parts from an automotive dealer vs. ones from aftermarket manufacturers is as age-old as the automobile itself. Below, we'll take a look...
      by Timothy Zahl

    2004 BMW X3 Models
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