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Hi All,
I recently bought a car, 2004 E55 and it has some mods. It has a smaller SC Pulley of unknown size and it has a Tune (supposedly). I have a stock pulley that I could install but I don't want to do it untill I know how to get the factory tune back on the car. The car runs fine but it has many worn parts that need to be replaced so I am going through that process now.
I am just looking to get to a known starting point and then I will figure out what mods and improvements I want to do.
Any insight would be appreciated.
Thanks,
Eric
Last edited by VanLogan; Apr 19, 2023 at 02:50 PM.
Reason: adding picture
Take it to the dealer ask them to flash it back to stock. Should cost around $200-$300, that way you'll have the newest version although that could be from 2007 or later.
Hate to hijack this thread but I am in the same boat as OP. 2006 E55 with unknown tune and pulley. If someone can share the factory tune file it'd be much appreciated.
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