This Febi camshaft adjuster valve (part number 170148) is a control valve designed for camshaft adjustment. It is compatible with various BMW models, including the 118 2.0 (2006-2013, N43B20A engine) and 316 1.6 (2007-2013). The part weighs 0.178 kg. It is sold individually. Please ensure compatibility with your vehicle using the make and model tool or by contacting customer support if unsure. The product is intended for use as originally designed and should be installed by a competent individual. Installation instructions are typically not included.