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  1. #1
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    Stock C218 Mercedes-AMG CLS63 S 4Matic vs. PTF BM3 OTS tuned F80 M3 S55 on the dragstrip

    The stock C218 CLS63 S with its 5.5 liter twin turbo M157 V8 is very stout despite the 4Matic system adding considerable weight. Having a ton of torque helps get it going and the ability to put that torque down even on street tires as this example did makes for a strong straightline performer.

    Click here to enlarge

    The F80 M3 is a much lighter car carrying roughly 1000 less pounds. The S55 motor when tuned is no slouch and this F80 has a PTF OTS Bootmod3 E30 tune. The rest of the mods are as follows:

    BM3 stage 2 OTS E30 map
    RK Tunes front mount intakes
    BMS Chargepipes
    Eurocharged Catless Downpipe
    MT Drag Radials

    The M3 is car number 39 and runs an 11.235 @ 124.58 compared to the CLS63 S with a 11.601 @ 121.90. A great result for a stock CLS63 S on street tires though and right where it should be.

    Click here to enlarge

    With a tune the CLS will regain the advantage. The M3 of course can upgrade its turbos. The CLS can do the same. It basically becomes a game of who spends more.

    The M3 certainly is doing well for bolt ons and showing what an efficient package it is. It ran a best of 11.197 @ 124.55:

    Click here to enlarge

  2. #2
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    Good results for minimal mods

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