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The car mags instruments are more accurate I think than the speedometer in your car
true story, just saying
Last edited by Nanook; Nov 20, 2015 at 10:19 PM.
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FWIW, my stock 2014 CLS63-S ran 3.6 0-60 Vbox verified while using race start.
The Best of Mercedes & AMG
FWIW, my stock 2014 CLS63-S ran 3.6 0-60 Vbox verified while using race start.
but i guess until there's a vbox it doesn't "count"
Just the other day. Took on the new BMW i8 sure glad it wasn't just a ECU tune.
I think the best bet for the E63 guys to hit 10's is to tune/downpipes and really sticky tires.
I think the best bet for the E63 guys to hit 10's is to tune/downpipes and really sticky tires.

with 4.0 I was getting constant 11.0 127mph on street tires at 4400 ft elevation , with 0 problems with the car , no I'm reading the forum and now I'm not sure if I want that switch , but the original plan was to get W4 kit .
with 4.0 I was getting constant 11.0 127mph on street tires at 4400 ft elevation , with 0 problems with the car , no I'm reading the forum and now I'm not sure if I want that switch , but the original plan was to get W4 kit .Last edited by PeterUbers; Nov 23, 2015 at 10:20 AM.
Most are running renntech, ams, or eurocharged or rebellion tunes
Renntech is seemingly the most popular
I haven't yet read about weistec biturbo owners but clearly that doesn't mean they don't exist
Have you considered the RS7 with a tune? I've seen them run lighting fast 1/4 times for tune only.
What times do you want the car to run?
Have you considered the RS7 with a tune? I've seen them run lighting fast 1/4 times for tune only.
What times do you want the car to run?
Audi has no such problem. My friend with nothing more than a tune and countless exhaust running MS109s regularly does 10.3s in his APR tuned Miltek catless exhaust RS7. From a roll the fight is much more even.




