w212 E63 Tunes ~ Mail order vs Piggy back... Are they Junk Or Genius??

This is UN-bias and UN-sponsored, Just passing along my experience while experiment with different tunes available for our cars. Ever wonder is these E63 piggy back tunes are any good? In the video I break down the 3 main "types" of tunes available for out E63s from a neutral point of view. ! Thanks Disclaimer: The content provided in this video is for entertainment purposes only. The creator, owner, and contributors make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability of the information, products, services, or related graphics contained in this video for any purpose. Any reliance you place on such information is strictly at your own risk. It is recommended to exercise due diligence and consult professional advice before attempting any DIY projects or maintenance tasks depicted in this video. The creator, owner, and contributors and owner shall not be held liable for any loss, damage or injury, including but not limited to, indirect or consequential loss or damage, or any loss or damage whatsoever arising from the use of information, products, services, or related graphics presented in this video. By accessing and using this content, you agree to waive any claims against The creator, owner, and contributors for any injuries, damages, or losses incurred as a result of following the instructions provided in this video. 00:00 Lets talk about tunes 01:39 My experience with Mail-order tune 03:32 Whats a piggy-back tune? 04:49 HP: Maxed-out vs "nice bump" 06:37 Runway 1/4 tests 08:33 The verdict and performance vs EC