BILSTEIN 46-189158 Pro-Kit B12 (R4) AUDI A4 Avant (8D5, B5) ymm_70 Using a wideband air/fuel controller

Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency

Performance Gain Road Dyno (Insoric): 16hp

96 liters (+32% vs

providing a linear friction profile that doesn't compromise performance

Wheel Spacer Features

BILSTEIN 46-189158 Pro-Kit B12 (R4) AUDI A4 Avant (8D5, B5) ymm_70 Using a wideband air/fuel controllerDescription BILSTEIN 46 189158 Suspension Kit, springs shock absorbers B12 Pro Kit BILSTEIN B12 is a sport suspension designed for those seeking to lower or raise their vehicle while improving ride dynamics and comfort. This system combines high performance BILSTEIN gas pressure shock absorbers with high quality performance springs, resulting in a complete sport suspension with vehicle specific characteristics. The BILSTEIN B12 delivers noticeably