Originally Posted by SYZ
What kit would you recommend for the AZ heat? I blew my head gasket last summer out here flogging my built turbo car in 115* heat and don't want to experience an issue like that with my M.
We do all of our US testing here in AZ each summer. All of the kits perform without issue here during the summer months. Due to the fuel quality limits of 91 octane your options are any kit except the VT2-650 which requires 93 octane.