Audi RS6 C5 V8 4.2L BITURBO (BCY)

AUDI (4B) 2002-2004 ENGINE CODES – BCY
STOCK POWER – 450PS STOCK TORQUE – 560NM
Audi RS6 C5 4.2L Biturbo ECU remap on thedyno from MRC Tuning the experts in Audi tuning

The RS6 C5 was released in 2002 and the PLUS variant in 2004

The RS 6 could accelerate from 0 to 100 km/h (62 mph) in 4.7 seconds (4.6 PLUS), and achieve a maximum speed of 262 km/h (155 mph) or (174MPH PLUS) (electronically restricted)

The combination of the 4.2-litre V8, variable inlet valve timing, and twin turbochargers gave the RS 6 an exceptionally wide power band, with peak torque available from 1,950 to 5,600 rpm.

STAGE 1 PACKAGE DETAILS:

We would require a non refundable deposit of £150 to secure your booking.

We would require your car to be with us for a couple of hours to carry out the work.

Please make sure your car arrives with at least half a tank of fuel and is always run on the best fuel, either Tesco 99 Momentum or Shell Vpower.

Please be aware that old coilpacks can fail when running more power, causing a misfire, please make sure you have newest revision coilpacks before booking in, or let us know and we can add these to the estimate and replace on the day.

Please make sure that you mention all work you’re wanting to be carried out before booking in so that we can schedule this into the diary accordingly.

Mentioning work when you drop your car off means that we will run into delays as it was not scheduled in the diary.

Please read our frequently asked questions at the bottom of this page to see if it answers any other questions you may have.

STAGE 1 GAINS :  You should see around 500-515ps and 750-800nm

STAGE 1 DYNO PLOT:

MRC Audi C5 RS6 Stage 1 Dyno Plot

STAGE 1 DYNO VIDEO:

Frequently Asked Questions

Please check the below questions to see if it answers your query before ringing the office

Bookings

We require non refundable deposits for all bookings made, if you’re more than half an hour late, try to rearrange within 48 hours or do not show we will keep the deposit, if you are wanting to re book then another deposit will need to be taken.

We also ask that all invoices are paid by BACS before collection.

Engine related FAQ

All tuned Vehicles should be ran on Audi long-life 5W40 oil.

All 2.0L 2.5L and 4L engines should be ran on NGK race plugs once tuned.

Please let us know if service work needs to be added to your estimate

Service Intervals:

  • Oil and filter change once a year or every 10k
  • Major engine service every 2 years or every 20k
  • Transmission (gearbox, haldex, diffs, transfer box) should be done every 3-4 years, every 35k
    • Depending on how the car is driven, if the car is driven hard/ abused etc then these intervals should be cut in half.

Fuel

Please make sure your car arrives with at least half a tank of fuel and is always run on the best fuel, either Tesco 99 Momentum or Shell Vpower

Coilpacks

Please be aware that old coilpacks can fail when running more power, causing a misfire, please make sure you have newest revision coilpacks before booking in, or let us know and we can add these to the estimate and replace on the day.

Labour rates

Our standard labour rate is charged at £109+vat unlress the vehicle is tuned by ourselves and we are supplying and fitting all parts then it is discounted to £92.50+Vat