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This PIERBURG vacuum pump is a high-quality aftermarket replacement for BMW models equipped with the 3
Verify correct electrical connections and vacuum line routing
Critical Function: Ensures auxiliary water pump system operates correctly
OEM Quality Construction: Manufactured to meet or exceed original equipment specifications for a perfect fit and reliable operation
PIERBURG Secondary Air Pump for Audi S4 / RS4 (2004-2009) Land Rover This PIERBURG vacuum pump isThe secondary air injection pump injects fresh air into the exhaust stream to further burn off exhaust gas, aiding catalytic converter warm up. When the pump fails, fault codes are triggered and fuel efficiency drops. This Pierburg OEM replacement restores performance and emissions compliance for Audi S4 and RS4 models with the 4. 2L V8 engine from 2004 to 2009. Key Features & Benefits OEM Replacement: Direct fit replacement for the original air
