BMW Boost Reference Harness (E-Series & F-Series) BMW-535i-2010 Pre-Order Details:📌 Production Time: 3–5

Pre-Order Details:📌 Production Time: 3–5 business days per unit (please do not order if you are not willing to wait)

This kit is considered the most complete and highest quality kit on the market and is sold private label to many BMW pump manufactures

Pre-assembled with genuine Walbro 535 pump

Connection:  AN10 Male Flare

Increases shock oil capacity as well as displacement over twin tube designs for maximum performance

BMW Boost Reference Harness (E-Series & F-Series) BMW-535i-2010 Pre-Order Details:📌 Production Time: 3–5The Precision Raceworks BMW Boost Referenced Pump Activation Harness is the preferred method to control auxiliary fuel pumps by pump manufactures 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 manufactures. 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%