WAS MY AUDI B9 S4 REALLY MISSING PARTS FROM THE FACTORY?!? WHAT ACTUALLY HAPPENED?!?! @VancityAudi
WAS MY AUDI B9 S4 REALLY MISSING PARTS FROM THE FACTORY?!? WHAT ACTUALLY HAPPENED?!?!  @VancityAudi
Uploaded July 2025 | Updated September 2026, 3 weeks ago
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Many, many moons ago my 2018 Audi S4 decided to sh$t the bed and for a very long time we all assumed we knew what happened. In this final video featuring my B9 S4, I explain every single one of our findings as we opened up the motor and repaired what we found. To this day it still doesn't make much sense, but I did my best to explain what Reiter Performance and I think happened.

Thank you to every single one of you that followed this build and cheered me on along the way. As much as we never ended up getting that elusive 9 second 1/4mile, we had a TON of fun along the way!

All hardware installations are performed by Reiter Performance. For more information on their services please reach them at info@reiterperformance.com or check out reiterperformance.com for more details

All dyno testing is performed at Racing Greed located at 1650 Broadway St Unit 110, Port Coquitlam, BC V3C 6P8. They can be reached at rg@racinggreed.com or check out racinggreed.com for more details.

For any business inquiries please email me at adam@vancityaudi.com

Website: vancityaudi.com
Instagram: instagram.com/VancityAudi
Facebook: facebook.com/vancity.audi.1

#audi #s4 #whathappened

0:00 Bet You Didn't Think You'd See This Car On The Channel Again
1:16 Intro
1:27 We Waited 9 Months For The Tools From Audi!
1:55 You Guys Can Make Your Own Decision On What Really Happened
2:18 WE WERE MISSING THE UPPER OIL CONTROL RING IN CYLINDER 1!!!
5:50 What I Saw While Datalogging The Car
6:47 Reiter Performance Thinks It Never Came With One From The Factory!
7:46 I Made A Post On Social Media & It Got Some Serious Attention!
8:20 What Audi Canada Told Me!
9:46 How Much Power We Were Making In The End
10:04 Did Audi Sell Us An Incomplete Motor?
10:26 THANK YOU TO MARIO MOLLIERE FOR ALL YOUR HELP!!!
10:51 Did Audi Sell Motors Without Oil Control Rings?!?!
12:37 HOW DID WE END UP FIXING THE MOTOR?!?!
14:16 I'm Going To Miss My B9 S4
14:56 Make Sure You Do Your Homework Before Modifying an EA839
16:07 What I Experienced For Performance With My Build
17:32 THANK YOU TO EVERYONE FOR WATCHING THIS BUILD SERIES!
18:04 Outro
WAS MY AUDI B9 S4 REALLY MISSING PARTS FROM THE FACTORY?!? WHAT ACTUALLY HAPPENED?!?!Audi B9 S4 Integrated Engineering Stage 1 91/93 VS Stock 1/4 Mile ComparisonTTE810 - Integrated Engineering - Stage 3+ 93 Octane - 1/4 MILE PERFORMANCE TESTRevised TTE855 Actuator Swap/Install - Audi RS31100HP Twin Turbo Mustang VS 820HP Audi RS3 Drag RaceUnitronic VS Stock - Audi RS6 - Air Intake Dyno TestMY RS3 RACECAR RADICAL WRAP REVEAL!!!WORLDS QUICKEST CUSTOMER OWNED AUDI B9 S4!!! (for now)Unitronic - TTE777 - Audi RS3 - Pump Gas ReviewEVERYTHING YOU WANT TO KNOW ABOUT SHELL V-POWER NITRO+ FUEL!!!MY FINAL AUDI B8 S4 DYNO! Integrated Engineering - Dual Pulley/Throttle Body - E40, 93 & 91TTE810 - Integrated Engineering Stage 3+ E70 Dyno Testing - Audi B9 S4
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WAS MY AUDI B9 S4 REALLY MISSING PARTS FROM THE FACTORY?!? WHAT ACTUALLY HAPPENED?!?!

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