RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) porsche-911--991-2---2015-2019--turbo-s-esr2128417 5 Series (E39) 530 d

5 Series (E39) 530 d (HP: 184 | Year: 98 > 00)

The HHT for Mercedes-Benz AMG

The RENNtech ECU Plus Upgrade brings the C 43 AMG Coupe up to 416 HP and 460 LB-FT | Gains: +41 HP and +62 LB-FT

RENNtech offers OEM replacement for the retractable factory spoiler along with the deactivation module

GLE 43 AMG SUV (W166 | M276 | 3

RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) porsche-911--991-2---2015-2019--turbo-s-esr2128417 5 Series (E39) 530 dRENNtech ECU Upgrade for 221 S 600. Up to 625 HP and 745 LB FT. Gains: +115 HP & +133 LB FT. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning