In this video, we delve into the process of replacing a crank hub on a BMW S55 engine with the VTT Spline Lock Crank Hub Solution. The factory crank hub is notorious for slipping during high-performance pulls, but fear not! The Vargas Turbo Tech solution offers an affordable and effective fix. Follow along as we guide you through the installation steps, highlighting crucial components and ensuring a smooth transition. Whether you’re a seasoned technician or a curious enthusiast, this video provides valuable insights into maintaining your BMW’s performance and reliability.

* Torque Specs *
Crank bolt 100nm + 270
Vanos Cam bolts 20nm + 180
Chain tensioner 55nm
Serpentine belt tensioner 38nm
Vibration dampener NO CBC 20nm + 90
Vibration dampener W/ VTT CBC 25 ft-lbs
Water pump pulley 10nm
Vanos solenoid 10nm
Intake manifold to head 13 ft-lbs / 20 nm
Fuel line to injector 23nm
Injector to cylinder head 13 nm +1
Injector ground 5nm
Head plug cap 25nm
Guide rail head 14nm
Guide rail crankcase 20nm
Cylinder head chain module 8nm
Valve cover to head 8.5nm
Spark Plugs 17 ft-lbs

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⏱️Timestamps⏱️
0:00 - Intro
0:35 - Let's Talk About Crank Hubs
1:46 - Engine Disassembly
2:10 - Disassembly Explained
3:50 - Timing Tools Install
4:21 - Timing Chain Disassembly
6:02 - Vanos Removal
6:17 - Oil Pump Chain Tool
6:55 - Crank Hub Removal
7:43 - Oil Pump Sprocket Removal
8:52 - Friction Washer/ Clip Explanation
11:02 - Oil Pump Sprocket Install
12:37 - Clean Mating Surfaces
13:10 - VTT Hub Install
14:25 - Timing Reassembly
15:00 - Timing Torque Specs
16:30 - Timing Tools Reinstalled
17:05 - Vanos Torqued
18:16 - Crank Final Torque
18:52 - Verifying Timing
19:15 - Oil Pump Tool Removal
19:30 - Crank Timing Pin
20:03 - Crank Sealant
21:00 - Crank Seal Install Tool
21:14 - Valve Cover Install
21:44 - Vanos Solenoids/ Vacuum Caps
22:16 Engine Reassembly
22:41 - New Spark Plugs
22:56 - More Engine Torque Specs
23:13 - Gap Spark Plugs
24:06 - Final Assembly/ Torque Specs
25:11 - Crank Pin Plug Install
25:45 - More Reassembly
26:10 - Down Pipe Removal
27:00 - Oil Change/ Oil Cooler Torque
27:25 - Crank Bolt Capture Tip/ Torque
28:00 - Serpentine Belt Routing
28:30 - Water Pump Belt/ Torque Spec
29:08 - Fan/ Coolant Lines Install
29:30 - Fill Engine With Oil
29:45 - More Reassembly
31:09 - Down Pipe Install
33:02 - Under Belly Pans Reinstalled
33:23 - O2 Sensor Wire Routing
33:42 - Charge pipe/ Intake Install
34:10 - Final Look/ Bleed Coolant
34:30 - First Start-Up
34:42 - Outro