Tein Street Advance Z Coilover Kit for BMW 5 Series G30 525i (2017-2023) – Height Adjustable Suspension, 16-Stage Damping, Lowering Kit, Adjustable Shocks & Springs UK

Transform the way your 2017 to 2023 5 Series G30 525i drives with the Street Advance Z adjustable suspension kit from Tein. This height-adjustable shock and spring package delivers a lower, cleaner stance with real-world comfort and precise control, perfect for UK roads. Expect sharper turn in, reduced body roll, and the ability to fine-tune firmness in minutes for daily commuting or fast-road blasts.

We have installed these at MJ Modifications in Warwickshire and the feedback has been consistently excellent. Customers love the balance of ride quality and handling, the broad adjustment range, and the durable finish that stands up to daily use.

Why this suspension upgrade stands out

• 16-stage damping adjustment for easy on-car fine tuning of firmness and response
• Twin-tube internals for supple ride quality with confident control on rough British tarmac
• Shortened case design maintains suspension travel even when lowered for that properly dialled stance
• Advance Needle valving provides a clear, noticeable change across each click
• Ride height adjustment via ZT coated threaded sleeves and spring seats for smooth, corrosion-resistant operation
• High-performance damper oil for consistent performance over long journeys and spirited driving
• Robust steel bodies with a durable powder coated finish for long life
• Uses your original top mounts for quiet operation and OEM-like refinement
• 1-year manufacturer warranty for peace of mind

Perfect for

• BMW 5 Series G30 525i owners seeking a lowering kit with comfort and control
• Fast-road driving, B-road blasts, and daily use
• Drivers who want adjustable shocks and springs without compromising on reliability

Fitment

Compatible with BMW 5 Series G30 525i, model years 2017 to 2023. Uses factory upper mounts. Top mounts are not included.

Popular search terms

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Professional fitting available

Want it installed correctly first time with a proper fast-road alignment If you are local or can travel, book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Why buy from us

• Tried-and-tested on customer cars with outstanding feedback
• Expert advice on ride height, damping setup, and alignment
• Aftercare support from enthusiasts who use these parts