Street Coilover Kit (Gold) for BMW 3 (G20)Street Coilover Kit (Gold) for BMW 3 (G20). The Street series suspension is the default configuration of MTS Technik engineers, it guarantees a wide range of lowering and a balance between comfort and stiffness. Suitable for the following engine(s) only: 316 d 316 d Mild Hybrid 318 d 318 d Mild Hybrid 318 i 320 d 320 d Mild Hybrid 320 i 320 i 1. 6 330 d 330 d Mild Hybrid 330 i M 340 i MTS Product SKU: MTSGWBM72