The KYB Gas‑a‑Just rear shock for 2007–2013 BMW 325i (E90) employs a monotube design with separate hydraulic and nitrogen chambers to provide consistent damping and instant response without aeration fade. It balances comfort and control for varied driving conditions. KYB notes protective measures such as strut boots for harsh environments; this shock aims to restore handling and stability while preserving electronic safety system performance.
KYB 07-13 BMW 325i E90 Rear Shock Gas-A-Just