1. Vehicle Compatibility: This rubber buffer for the rear suspension is designed to fit 1 Series models (F20, F21, F22, F23) from 2010 to 2017, including both LCI and nonLCI versions. It is also compatible with 3 Series models (F30, F31, F34) from 2011 to 2016 and 4 Series models (F32, F33, F36) from 2013 to 2017, available in both LCI and nonLCI variants. Please verify compatibility with your vehicle before . 2. OE Number: The reference OE number for this shock absorber stop is 33536855439 or 6855439. Before placing an , ensure this number matches the part you are replacing to guarantee proper fit and functionality according to your vehicle's specifications. 3. Ease of Installation: Designed with a compact and lightweight construction, this shock absorber stop can be installed without complex steps, simplifying the replacement process. This design aims to provide convenience by minimizing the effort and time required for installation. 4. Original Specifications: Manufactured to the dimensions of original auto parts, this shock absorber stop is intended for direct replacement of damaged components. Its precise design ensures seamless integration into your vehicle, matching the size and specifications of the original equipment.