RS6 and RS6 Plus - Enhancement

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
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EVLRS6
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RS6 and RS6 Plus - Enhancement

Post by EVLRS6 » Fri Jun 30, 2023 2:09 pm

Hello Everyone,

What is the actual mechanical / ECU / Programming Difference between the RS6 and RS6 Plus models?

I read somewhere that the turbo cartridge was upgraded - is this true?
2001 B5 RS4 (Nogaru Blue) - Estate
2003 C5 RS6 (Mugello Blue) - Sedan
2004 C5 RS6 (Mugello Blue) - Estate
2008 C6 RS6 (Daytona Grey) - Estate (Track Day Weapon)
2001 B5 RS4 (Misano Red) - Estate (Rolling Body - Parts Car)
:nogarors4:

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Shoppinit
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Re: RS6 and RS6 Plus - Enhancement

Post by Shoppinit » Fri Jun 30, 2023 3:42 pm

No. Same engine, just a different ECU program. Same torque, 30 extra bhp. Much better maps are available from MRC or similar.

The plus had slightly lower suspension (optionally). There were some small trim differences.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."

EVLRS6
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Re: RS6 and RS6 Plus - Enhancement

Post by EVLRS6 » Sat Jul 01, 2023 8:58 am

Nice :)

We dont have MRC down here in NZ, so will have to hunt around for a good tuner, I have 2x C5 RS6's to do
2001 B5 RS4 (Nogaru Blue) - Estate
2003 C5 RS6 (Mugello Blue) - Sedan
2004 C5 RS6 (Mugello Blue) - Estate
2008 C6 RS6 (Daytona Grey) - Estate (Track Day Weapon)
2001 B5 RS4 (Misano Red) - Estate (Rolling Body - Parts Car)
:nogarors4:

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Shoppinit
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Joined: Wed Dec 31, 2008 6:24 pm

Re: RS6 and RS6 Plus - Enhancement

Post by Shoppinit » Sat Jul 01, 2023 9:51 am

You can get generic maps that can be installed remotely that don't push the limits as much as a tailored map. It's what I have and I'm pleased with it. Not sure if MRC do this.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."

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simonmcc
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Re: RS6 and RS6 Plus - Enhancement

Post by simonmcc » Sat Jul 01, 2023 10:02 am

MRC do offer a postal service, ship them your ECU (& TCU if needed) - they reset my car back to stock that way.
Fun: 2004 RS6+ Avant, Daytona Grey, Bilstein B14, Milltek.
~Fun: 2016 A6 Avant S-Line, Daytona Grey, fake-Black Edition (dechromed)
~Fun: 2019 A4 Avant 30 TFSI Black Edition

EVLRS6
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Re: RS6 and RS6 Plus - Enhancement

Post by EVLRS6 » Sat Jul 01, 2023 10:24 am

Wicked! I'll look into it. Thanks so much, I appreciate your help.
2001 B5 RS4 (Nogaru Blue) - Estate
2003 C5 RS6 (Mugello Blue) - Sedan
2004 C5 RS6 (Mugello Blue) - Estate
2008 C6 RS6 (Daytona Grey) - Estate (Track Day Weapon)
2001 B5 RS4 (Misano Red) - Estate (Rolling Body - Parts Car)
:nogarors4:

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