2003 BMW 5-Series Emission Control Parts
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TRQ®Oxygen SensorBMW 540i / M5 2003, Oxygen Sensor by TRQ®. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is replacing, the product provides...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$31.56$31.95Save 1% - Standard®PCV ValveBMW 540i 2003, PCV Valve by Standard®. Location: Intake Manifold. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...Made with precision and quality in mindDesigned to meet your specific needs$65.85
- Beck Arnley®PCV Valve KitBMW 525i / 530i 2003, PCV Valve Kit by Beck Arnley®. Original Equipment Type. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory...OE quality products from top original equipmentTop quality materials$145.36 - $179.37
- URO Parts®New Secondary Air Injection PumpBMW 525i / 530i 2003, New Secondary Air Injection Pump 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...Designed to replace your worn out exhaust partHelps to restore quiet vehicle operation$144.01
- Bosch®Premium Narrow-band Oxygen SensorBMW 5-Series 2003, Premium Narrow-band 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...OE Identical ConnectorCompact Design$66.96 - $88.03
- TRQ®Upstream 2-Piece O2 Oxygen Sensor SetBMW 5-Series 2003, Upstream 2-Piece O2 Oxygen Sensor Set by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$61.33$61.95Save 1%
- Walker Products®Premium Oxygen SensorBMW 5-Series 2003, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The...Improved Engine Response & PerformanceLower Emissions$54.38 - $73.29
- TRQ®Oxygen SensorBMW 5-Series 2003, Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for improved...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$35.84 - $54.67$36.95 - $56.95Save up to 4%
- Bosch®Narrow-band Oxygen SensorBMW 5-Series 2003, Narrow-band Oxygen Sensor by Bosch®. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are...OE-EquivalentOE Style connectors and wire lengths$63.15
- Facet®Oxygen SensorBMW 5-Series 2003, Oxygen Sensor by Facet®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$69.80 - $82.99
- Denso®Oxygen SensorBMW 5-Series 2003, Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$66.75 - $95.76
- Walker Products®Oxygen SensorBMW 5-Series 2003, Oxygen Sensor by Walker Products®. 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...High quality at an affordable priceExpertly made from premium materials$47.32 - $66.01
- Beck Arnley®PCV ValveBMW 540i 2003, PCV Valve by Beck Arnley®. Make sure your vehicle’s emission control system performs at its optimum level with top-of-the-line Beck Arnley replacement emission control parts. Designed to match OE (original equipment)...Designed to ensure reliable operation of your emission control systemDirect OE (original equipment) replacement$74.01
- Spectra Premium®Oxygen SensorBMW 5-Series 2003, 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...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$17.74 - $18.51
- NTK®Oxygen SensorBMW 5-Series 2003, 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$64.78 - $84.32
- Genuine®Crankcase Vent ValveBMW 5-Series 2003, 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...Made with precision and quality in mindDesigned to meet your specific needs$109.83 - $141.42
- Dorman®OE Solutions™ Secondary Air Injection PumpBMW 5-Series 2003, OE Solutions™ 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...Save money by replacing only the failed pump - instead of the entire mating cover assemblyReplacement restores A.I.R. System to proper functioning$358.89 - $401.84
- Standard®Intermotor™ PCV ValveBMW 525i / 530i 2003, Intermotor™ PCV Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$57.76 - $66.79
- Dorman®Help™ PCV ValveBMW 525i / 530i 2003, Help™ PCV 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 using advanced...Application specific - components designed to replace original components on certain vehiclesDurable materials - made to resist fluctuating under-hood temperatures to ensure longevity$55.71
- Denso®Universal Fit Oxygen SensorBMW 5-Series 2003, 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...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$82.98
- SKP®PCV ValveBMW 525i / 530i 2003, PCV Valve by SKP®. 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...High quality at an affordable priceExpertly made from premium materials$55.49
- Vemo®Secondary Air PumpBMW 5-Series 2003, Secondary Air Pump by Vemo®. Grade: Aftermarket. Vemo products are made by high-quality materials and undergo strict quality tests. They are, thereby, the perfect alternative to the original part.Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$301.83
- Dorman®OE Solutions™ PCV ValveBMW 540i 2003, OE Solutions™ PCV Valve by Dorman®. This PCV valve kit includes necessary components for repairing an original equipment PCV valve on certain vehicle applications.Complete kit - this PCV valve kit includes all components needed to repair valve right the first timeApplication specific - components designed to replace original components on certain vehicles$56.84
- URO Parts®PCV ValveBMW 525i / 530i With Cold Climate Version 2003, 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...Direct replacement for a proper fit every timeEasy installation$55.59
- URO Parts®PCV Valve KitBMW 525i / 530i 2003, PCV Valve Kit 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...Direct replacement for a proper fit every timeEasy installation$20.44 - $85.94
- Febi®Crankcase Ventilation Valve KitBMW 525i / 530i 2003, Crankcase Ventilation Valve Kit 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....The finest quality at a great priceEngineered to provide reliable performance for years to come$119.53 - $132.12
- Vemo®Oxygen SensorBMW 5-Series 2003, Oxygen Sensor by Vemo®. 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 deliver great...High quality at an affordable priceExpertly made from premium materials$35.00 - $127.21
- Delphi®Oxygen SensorBMW 5-Series 2003, 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...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$83.25 - $96.80
- Genuine®EGR ValveBMW 5-Series 2003, EGR 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...Made with precision and quality in mindDesigned to meet your specific needs$254.11 - $257.61
- Genuine®Secondary Air Injection PumpBMW 525i / 530i 2003, Secondary Air Injection Pump 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...Made with precision and quality in mindDesigned to meet your specific needs$633.47
Shop By Service Type
- EGR Valve Replacement
- Air Injection System Control Valve Replacement
- Oxygen Sensor Replacement
- Air Pump Check and Diverter Valve Replacement
- Evaporation Vent Solenoid Replacement
- Air Pump Check Valve Replacement
- Canister Purge Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Secondary Air Injection Hose Replacement
- Vent Oil Separator Replacement
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