[Michael V.]

Since I joined this forum it has been pointed out very clearly that Dinan mods and extended warranties do not mix. However after taking my car into service at Erhard BMW, I was informed by my SA/friend that as long as I were to have the CPO inspection completed/purchase the 100,000 mile warranty before any Dinan software was installed it would not affect my CPO status or extended warranty. At first I though he was mistaken (still not entirely sure), but after he talked to several other departments in the dealership and they all agreed with what he had said. Has anyone been told anything remotely similar? My 550i has just over 44,000 miles and I would love to get my hands on the extra power.