Quote:
Originally Posted by Ickdeep
How is the long term effect on the car? I'm looking at purchasing a car with this tune but I'm worried it will mess up parts of the engine.
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As long as the car is properly cared for, maintained, and not abused, there shouldn't be any issues.
We found out the other day that an M5 we tuned years ago was being rented out by the new owner on Turo with 87 octane and our Stage II tune. He's been renting it for quite some time, and it's still running strong.
We definitely advised him that this was a terrible idea, but nonetheless it's a positive that the engine has held up to abuse from multiple parties with less than sufficient fuel quality for such a long period of time.
The car I'm referring to here is the one in this video (on left) it's no slouch - made nearly 700wtq if I recall correctly.