Unitronic is pleased to offer a solution, allowing vehicles which came with locked "401" TCUs to be tuned by swapping to the genuine Bosch DQ381.2 Unlocked TCU.
Includes everything you need to install spacers on two wheels
10X Entries Into Our F80 M3 Sweepstakes Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See
Brand:
ES#:
2748187
Mfg#:
ECS10611KTWB1
In Stock
ON SALE!
SAVE 25%
$132.99
This product was last offered at the strikethrough price on 06-13-2026
Features 32 way adjustable damping, variable length, zinc-coated shock bodies and performance sway bar end links
Models with Dynamic Chassis Control (DCC) will require DCC Cancelers
Max gains of +64 AWHP and +76 AWFT-LBS at the wheels (Stage 1) and +74 AWHP and +80 AWFT-LBS (Stage 2) with a Limited Powertrain Warranty
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4674265
Mfg#:
ECU20TEA8884LK3P
Ships in 1 day
ON SALE!
SAVE 20%
$1599.99
This product was last offered at the strikethrough price on 09-28-2026
Featuring 4 adjustable positions with adjustable weights to get the exact feel you want
10X Entries Into Our F80 M3 Sweepstakes For vehicles with 6-speed manual transmission only
Brand:
ES#:
4690494
Mfg#:
047716LA04
In Stock
ON SALE!
$191.99
This product was last offered at the strikethrough price on 06-13-2026
The best value for Heavy Duty OE Replacement and Stage 2 Power Levels! Capable of holding 400 Ft/Lbs of crank torque paired with the ultimate shifting experience!
Includes everything you need to install spacers on two wheels
10X Entries Into Our F80 M3 Sweepstakes Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See
Brand:
ES#:
2748185
Mfg#:
ECS10610KTWB1
In Stock
ON SALE!
SAVE 30%
$127.99
This product was last offered at the strikethrough price on 05-02-2026
