Originally Posted by
Kickerinthehead
He said I need MBSTAR diagnostic system to program it...if it needs programming at all. It's the correct part number and it's from a Mercedes car. I think it's just a paranoid seller covering his bases but now I'm sharing his paranoia thinking I just wasted $200 on a part that might not work or worse.
Can someone put my mind at ease?
Nothing to worry about. Unbolt the 68mm and bolt on the 74mm with a new O ring gasket, put it all back together, do a throttle rest and ENJOY !!!!!
( I got mine from a recycler [ junk yard ] for $50 and it worked just fine ..... )