Weistec Weistec BMW S85 W.2 ECU Tune 05-585-00226-3KT

Weistec BMW S85 W.2 ECU Tune

Increase of +50 Horsepower, and +26 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
Weistec Weistec
T#: 22822575 | Part#: 05-585-00226-3KT
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1189.15
SALE: $1189.15 (15% OFF)
WAS: $1399.00 on 09-01-2026

This product was last offered at the strikethrough price on
09-01-2026

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Weistec Weistec BMW S85 W.2 ECU Tune 05-585-00226-3KT
Weistec BMW S85 W.2 ECU Tune
$1189.15

The Weistec S85 ECU upgrade provides substantial gains across the entire powerband. Use the Cypher Handheld Tuner to switch between your stock tune and the Weistec tuning. Experience the best of both sides of your vehicle!


ECU Tuning Process How do I get my ECU tuned? https://www.weistec.com/howtotune

KEY FEATURES:

  • Improved throttle response
  • Optimized Fueling
  • Optimized Ignition Timing

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.


Prop 65 WarningProp 65 Warning

Cross Reference
  • 05-585-00226-3
Qty Description T# Part# Lifetime
1 Cypher Handheld Programmer Tuner T#22690704 05-000-00073-5~W YES
1 Weistec BMW S85 W.2 ECU Tune T#22822572 05-585-00226-3~W YES

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Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW E60 M5 S85 5.0L Use vehicle selector to confirm fitment
BMW E63 M6 S85 5.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.