RENNtech ECU Upgrade for CLK 350 C209 | 290 HP / 278 LB-FT | MY2006-2009 audi-a8--d5---2019-present--esr6995164 the OEM Wing Base and

the OEM Wing Base and Spoiler Deactivation module are required

The latest addition to the BMW M series is the awe-inspiring M3/M4

it’s a memorable driving experience

806 LB-FT @ 4

RENNtech ECU Upgrade for CLK 350 C209 | 290 HP / 278 LB-FT | MY2006-2009 audi-a8--d5---2019-present--esr6995164 the OEM Wing Base andRENNtech ECU Upgrade for 209 CLK 350 AMG, up to 290HP, 278LB FT. Gains: +22HP & 20LB 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