Should I buy my brother's 03 e55 amg?

E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
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If you can wrench, it's not really that bad. There's not a ton of info out there but if you look hard enough, you can save a lot of money
Oh, and 10k with good history... you're golden
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Anyway, my only concern was the out of warranty part but it seems parts and repair costs are not too bad now that there's a good amount of diy out there. I'm very excited. I'll talk to him more about it today and check the car and drive it. Seen it and been in it but never drove it lol.

Run-down of stuff purchase / changed by myself over past year, this on a car with 72k:
1) Keyless-GO handles
2) Pano-Roof Motor
3) ESP sensor (underneath passenger's side seat)
4) Stock cats (collapsed), swapped with Kleemann headers
5) S/C pulley bearing (soon)
6) Assorted interior parts (can't avoid some hit on these)
Last edited by unagi1; May 6, 2014 at 12:43 PM.
The car doesn't seem fast to me. At least on low end then it seems the have sc kick in and it's a very quiet and smooth pull with the speedo climbing up. Is that how it should be?
The auto tranny seem to be slightly jerky at times to where it's not violent but almost as quiet hesitation or stutter between shifts. Like it's confused on its shifting points.
Also sometimes at causing acceleration, there's a weird vibration hesitation. Almost like the sc is confused when to kick in or not.
The brake pedal feels heavy.
Are these things normal or what you guys think the causes are?
My bro had these replaced at dealership:
Air suspension replace in 3 corners
Pano roof
Abs system
100k inspection to see things and topped off fluids etc
And some maintenance like oil and plugs, brakes, pads, tires , belts are all new done by himself.
Ic pump still stock
Driver door lock gets twitchy at times but he has oem part in the trunk to install.
Pass rear manual shade clip is broken.
3 interior trim pcs has hairline cracked
About 6 inch scratch on driver side rear door and a small door ding at pass door.
Thanks for your input.
Last edited by itsjappo; May 7, 2014 at 11:32 PM.
Last edited by june82000; May 8, 2014 at 12:04 AM.
ic pump
sc pulley
upgrade h/e
tune












