ECU

RENNtech ECU Upgrade 335d E90 (2007-2011- N73N2 Steptronic Diesel)

RENNtech ECU Upgrade 335d E90 (2007-2011- N73N2 Steptronic Diesel). Up to 346 HP + 480 TQ. Gains: +81 HP & +55 TQ.

Retail price without tax: $1,200.00

RENNtech ECU Upgrade 335i/iX E90/E92/E93 (2007-2010 Manual & Steptronic N54B30). Up to 420 HP + +435 TQ. Gains: +120 HP / 135 TQ.

Retail price without tax: $1,495.00

RENNtech ECU Upgrade 335iS E92/E93 (2010-2011- Manual & DCT N54B30to 3.0L Biturbo). Up to 420 HP + +435 TQ. Gains: +100 HP & +103 LB-FT

Retail price without tax: $1,495.00