TEIN Flex Z Coilovers Suspension Kit for BMW 5 Series G38 525Li LWB (2017-2023) – Height Adjustable, 16-Way Damping – Lowering Kit, Adjustable Shocks/Struts – Street Twin-Tube – Long Wheelbase Sedan/Saloon – EDFC Compatible

Premium adjustable suspension for BMW 5 Series G38 525Li, model years 2017 to 2023

Transform your long‑wheelbase 5 Series with TEIN Flex Z. This Japanese-built, street-focused suspension kit blends everyday comfort with sharper response, confident turn-in and a cleaner stance. If you want a smooth ride on British roads without sacrificing control, this is the go-to upgrade for your G38 525Li.

We have installed these on customer cars and the feedback has been consistently positive. Ride quality stays refined on poor surfaces, body roll is reduced, and the car sits at the height you want while remaining usable day to day.

Why choose this adjustable suspension kit

• Ride height control using a full-length threaded body, set your stance without compromising travel
• 16-click damping adjustment, easily fine-tune firmness for comfort, B-road fun or motorway cruising
• Twin-tube damper design prioritises compliance and smooth stroke for real-world roads
• Upper mounts included for straightforward installation
• Compatible with TEIN EDFC in-car controller for on-the-fly damping changes, sold separately
• Highly durable construction with robust brackets and shell cases
• Sag-resistant springs and high-spec damper oil for consistent performance
• Serviceable design with overhaul options available to refresh long-term performance

What you can expect on the road

• Lower centre of gravity for improved stability
• Cleaner, level stance compared with factory suspension
• Better confidence through corners and on uneven tarmac
• Comfortable daily driving with the ability to stiffen for spirited runs

Key specifications

• Vehicle: BMW 5 Series G38 525Li saloon
• Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023
• Adjustment: Height adjustment via threaded body, 16-stage damping adjustability
• Damper type: Twin-tube
• Mounts: Upper mounts supplied
• EDFC compatibility: Yes, controller available separately

Perfect for

• BMW G38 owners wanting a lowering kit alternative that keeps comfort
• Daily-driven executive saloons needing better control without harshness
• Drivers seeking adjustable shocks and springs with proven Yokohama-built quality

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Professional fitting available

Want it installed correctly the first time with geometry set-up to match your goals. Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Upgrade your G38 525Li with TEIN Flex Z for a composed ride, clean drop and dialled-in handling that looks and feels right every day.