Koni 8245 1357 Special Active Red Rear Shock Absorber

The Koni 8245 1357 Special Active (Red) is a premium rear shock absorber engineered for BMW 1 Series (F20/F21) M135i, 2 Series (F22, excluding M235i), and 3 Series (F30/F31/F32/F34/F36) applications. Part of KONI's renowned Special Active series, this shock is purpose-built to work seamlessly with factory-equipped electronic suspension systems and active damping platforms without requiring any modification or bypass of OEM electronics.

Key Features:

• Twin-tube low-pressure gas design provides consistent, fade-free damping performance under all driving conditions
• Special Active technology maintains full compatibility with BMW's OEM electronically controlled suspension systems, including EDC (Electronic Damper Control)
• Bolt-on OEM replacement — no additional hardware, adapters, or wiring modifications required
• Red anodized body for easy identification and corrosion resistance
• Valved specifically for the rear axle to optimize balance between ride comfort and handling precision
• Manufactured to OEM dimensional tolerances for direct fitment on F20, F21, F22, F30, F31, F32, F34, and F36 chassis platforms
• KONI's internal floating piston design minimizes aeration and oil foaming for long-term reliability

The KONI Special Active 8245 series is the ideal upgrade or replacement shock for drivers who want improved damping characteristics over a worn OEM unit while preserving the full functionality of BMW's active suspension electronics. Backed by KONI's reputation for motorsport-grade quality and durability, this shock delivers a confident, controlled ride on both daily commutes and spirited driving.