BMW Secondary Pump Activation Harness
BMW Secondary Pump Activation Harness
BMW Secondary Pump Activation Harness
BMW Secondary Pump Activation Harness
BMW Secondary Pump Activation Harness
BMW Secondary Pump Activation Harness
BMW Secondary Pump Activation Harness
BMW Secondary Pump Activation Harness

BMW Secondary Pump Activation Harness

Regular price$99.99
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***NEW DESIGN***


The Precision Raceworks BMW Secondary Pump Activation Harness (Previously -Boost Referenced Pump Activation Harness) is the preferred method to control auxiliary fuel pumps by pump manufacturers and tuners alike.

This kit is considered the most complete and highest quality kit on the market and is sold private label to many BMW pump manufacturers.   That is why this harness is the #1 method of secondary pump control on the market around the globe.


Product Features

-  10 Gauge Oxygen Free Copper Wire

-  100% Plug & Play (zero cutting, stripping, crimping when used with included pressure switch)

-  Pre-set 13psi boost reference switch designed for automotive use

New Features


Each kit includes a boost referenced pressure switch often referred to as a "hobbs switch" however our pressure switch is designed for exposure to oil as well as air and is safe for engine bay temperatures for years of reliable service unlike a "hobbs switch" which is deigned for use in swimming pool and hot tub applications.

For more product details see the specifications tab

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