Secondary Air Pump
Compatible with BMW Z4 Roadster (E85) , BMW X3 (E83) ,The TOPRAN Secondary Air Pump (part code 503 175) is a crucial component for managing your vehicle's emissions. It functions by injecting fresh air into the exhaust stream, which helps to burn off harmful pollutants before they are released into the atmosphere. This process is particularly important during cold starts, when the catalytic converter is not yet at its optimal operating temperature. By providing additional oxygen, the secondary air pump ensures more complete combustion, thereby reducing the emission of unburned hydrocarbons and carbon monoxide. Replacing a faulty secondary air pump is essential for maintaining your vehicle's emission control system and passing emissions tests. This TOPRAN pump is engineered for reliable operation and a proper fit, helping to restore your vehicle's environmental performance.
- Reduces harmful exhaust emissions
- Improves combustion efficiency, especially during cold starts
- Essential for catalytic converter function
- Helps meet emission standards and pass inspections
- Direct replacement for original equipment
- Durable construction for long-lasting performance
- Part code: 503 175
- Brand: TOPRAN
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BMW
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Z4 Roadster (E85)
- 3.0 i (170kW/231PS)
- 2.5 i (141kW/192PS)
- 2.2 i (125kW/170PS)
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X3 (E83)
- 3.0 i xDrive (170kW/231PS)
- 2.5 i (141kW/192PS)
- 2.0 i (110kW/150PS)
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Z4 Roadster (E85)