S85 MSS65 Engine Tuning

Specifications:

Benefits:
- Improved engine response.
- Increase power.
  - The tuning is customized to your modifications.
  - Gains will vary depending on engine condition and modifications.
- Reduced fuel consumption.
- Improved drivability.
- SMG3 tuning if applicable.
Tuning protocols:
- MAF using the original sensor.
- AlphaN using IAT relocation kits. For more information on AlphaN, read this entry.
Remote tuning process:
- Pricing will include the tuning device and required cables.
- The tuning device can read codes.

Once your order is paid for, we will ship the tuning cable to you.

Install tuning software to your PC (not Mac compatible).
Extract the OEM DME file using the OBD2 Cable & Tuning device.
Upload your OEM DME file to your PC using the software.
Email us the file. Turn around time is 1-2 days.
Download the new tuned DME file to your computer.
Upload to your tuning device.
Plug into OBD2, turn on the ignition, flash your vehicle. *during the flashing process, it is normal to see lights, warnings and other electronic signals. It last a minute or two.
Turn off ignition, unplug the tuning devine.

Always have your car on a battery tender during the tuning process.

Build Journal

Alpha V10

In this entry, I document the technical differences of MAF, MAP and Alpha-N engine mapping.

We discuss why the S85 was built for AlphaN, the mapping process and I end with my driving impressions drawing a comparaison with its younger brother: the M3 V8.

Read the entry

Stage 1 tunes? Yawn.

In this entry, I cover stage 1 tuning for the MSS65.

I've always regarded stage 1 tunes on catted cars as a Sprintbooster type, placebo tune for throttle response.

Let's see how it feels.

Read the entry