Fixing BMW Fuel Pump Issues DIY - E53 Rescue

Welcome to the beginning of the E53 Project! This poor vehicle has been sitting for about 3 years because I basically thought it had busted timing chain guides which is a huge job and I was putting it off because I had other stuff going on in my life, but now it's time to get this vehicle going. Before we jump right into the timing chain project, we first let's properly diagnose exactly what is causing the no-start issue... Power Probe III: https://amzn.to/36RqE7n Test Light: https://amzn.to/3aGsBVv 100Pcs 6-28.6mm Single Ear Hose Clamps: https://amzn.to/3rwfaOB 00:00:00 Towing the E53 00:00:27 Intro 00:02:21 Before cranking after sitting a long time 00:05:57 Beginning of fuel pump diagnosis 00:07:20 Using a power probe to power the pump 00:08:59 Diagnosing the load side of the fuel pump circuit 00:10:55 Fuel pump relay location 00:12:14 Bypassing the fuel pump relay 00:12:53 How a relay works 00:14:57 When your diagnosis goes off the rails 00:16:34 Fuel pump circuit is working, what's next? 00:18:13 Removing the fuel pump to inspect 00:20:22 Narrowing it down 00:22:08 Prove the diagnosis definitively 00:23:16 Verifying the repair 00:25:43 Does it run? 00:26:12 Wrapping things up 00:27:43 Pressure washing that dirty engine! This video is for entertainment purposes only. 50sKid assumes no liability for any repairs or modifications performed by the viewer as a result of the information contained in this video.