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Pierburg N54 Turbocharger Boost Solenoid Valve (Pressure Converter) 11 74 7 626 350
Product Information
Referred to by BMW as a pressure converter, a common source of boosting issues
This solenoid is inline with the vacuum tanks and allows for constant boost pressure. Some indications that this solenoid is faulty is boost loss and odd noise from the solenoid.
Two per car, can be replaced individually as needed.
About Pierburg
With a history beginning with the start of the automobile industry, Pierburg’s reputation has been that of superior engine expertise. Pierburg remains a pioneer in advanced pump technology working as an OEM (original equipment manufacturer) for many European auto brands. Their product line ranges from coolant pumps, oil pumps and re-circulating water pumps, to vacuum pumps and many more. For every function, Pierburg produces a solution that provides the highest reliability, dependability, and functionality for automobiles. Even before the talks of climate change, Pierburg had been working on finding solutions for ecological friendly vehicle technology, in order to slow fuel consumption and decrease emissions. One example is Pierburg’s line of on-demand oil and water pumps only run when needed resulting in reduced engine emissions.
OE Numbers
11747626350, 11747595374, 11747548706