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International Automotive Technicians Network
Re: Amsoil
Posted to Open Discussion Forum on 6/25/2020

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Had a customer a few years back who brought us one of those to install on his BMW. It was the wrong diameter so didn't fit his intake. I think he was very disapointed. His car also sported one of this $10 OBD "chips" and a MAF resistor box. He never could understand why his CEL would come on after the latest "upgrade".

James Kuhns
Owner/Technician
Auto Tech Solutions
Chatham, New York, USA