Talented BMW Tech Diagnoses, Repairs and Tunes A Mint E39 M5 For A 139 HORSEPOWER GAIN On The Dyno!

Subscribe here!
Instagram @LegitStreetCars
Check out cool car stuff I buy on Amazon.


Watch me clean a disgusting Corvette engine!

In this video, my good friend OJ diagnoses, repairs, modifies and tunes a totally mint 2000 E39 M5 and gains literally 139 wheel Horsepower. OJ started with BMW and then went on to open one of the coolest shops in the country, Fluid MotorUnion in Naperville Illinois.

If you guys need anything repair or modified on any type of car give them a call at 630-305-3054.

They are offering a 10% discount off any services over $300 until 10/21/2019 to anyone who mentions LegitStreetCars when they call. Check them out on YouTube and social media by clicking the links below.

Main website -
Instagram -
YouTube Channel -
Facebook -

If you’d like to support the channel click on the Patreon or PayPal links below and include your email so I can say thanks!

BMW M5,BMW TECH,BMW MECHANIC,M5 DYNO,E39 M5 DYNO TUNE,alpha n,fluid motorunion,legitstreetcars m5,s62 engine,bad mass air flow sensor,HORSEPOWER GAINS,dyno horsepower,DYNO TUNE,dyno run,2000 e39 m5,400K MILE M5,HIGH MILEAGE BMW,LOW MILEAGE BMW,BROKEN BMW,bmw vanos,bmw rod bearings,EURO CAR PARTS,hoovies bmw m5,dyno test,doug demuro m5 e39,tavarish m5,alpha n tune e39 m5,