An excellent 3.0T LPFP upgrade, The El Doc Solutions Single LPFP Upgrade! This is a complete assembly, not just a fuel pump. A Must for the early B8's looking to run E40 without any hiccups, Upgrade to a brushless LPFP with an additional harness! (See bottom for details) *Caution* required tuning change to use a brushless pump in a B8 car. Requires a current Jackal tune for pump signal change and communication with jackal for calibration option, or competent tuner to modify signal!!!!! *Stock pump flows 60 GPH or 225LPH @40 PSI fuel pressure *Upgraded single pump flows 90 GPH or 340 LPH @40 PSI fuel pressure *All testing was done on my fuel bench, through an unmodified OEM fuel filter lid, to replicate asclose to a real world situation as possible. Two different options, one for the S4/5 B8/B8.5 and one for the A6 C7/7.5 *Unconfirmed fitment for the A4 B8/B8.5, S6 C7/7.5, Q5 and SQ5 Billet fuel pump retainer covers the critical area of the bucket. This keeps fuel in the bucketduring launches reducing slosh away from the pump.Plug and play OEM installation. No need to run WMI to supplement fuel pressure with ported blowers on E40. Able to run E55 on Stage 2+ CREC engines (Jackal Confirmed) Early B8 Models  B8 to B8.5 harness is required Plug and play installation. Plugs right into the current B8 wiring harness to convert the archaicbrushed fuel pump system into the more robust and improved brushless fuel pump system. Required to run El Doc’s Dual Brushless Fuel Pump Assembly. *Requires tuning calibration to change the PWM signal - Jackal Offers this B8 to B8.5 Conversion Wiring Instructions - Download Link Installation and wiring instructions video is HERE please Email us for a PDF if needed!!!