REV9 BMW G30 540i / 540i xDrive B58 Motor 2017-21 Charge Pipe Kit Car Stereo Systems Professional installation is highly recommended

Professional installation is highly recommended for best results

Easy Installation: Direct replacement for factory headlights—no modifications required

Special Notes No Damping Levels 40-Level Height Adjustment Yes Spring Rate(Front) 14 kg/mm (784 lbs/inch) Spring Rate(Rear) 10 kg/mm (115 lbs/inch) Spring Length(Front) 180 mm Spring Length(Rear) 180 mm Front Top Mount Yes

but once HKS Super SQV IV is installed

REV9 BMW G30 540i / 540i xDrive B58 Motor 2017-21 Charge Pipe Kit Car Stereo Systems Professional installation is highly recommendedCompatible With BMW G30 540i 540i xDrive B58 Motor 2017 2018 2019 2020 2021 Details Rev9's intake and intercooler charge pipe kit for BMW B58 Motor is great way to improve throttle response, reduce turbo lag and maximize power potential. Features all aluminum construction with CNC machined flanges using OEM hardware for a reliable and easy to install connection makes great replacement of factory rubber hoses. The mandrel bent aluminum pipe replaces