{"product_id":"dinan-performance-spring-set-for-bmw-g30-m550i","title":"Dinan Lowering Springs for BMW 5 Series G30 M550i xDrive Saloon\/Sedan - Sport Coil Spring Kit, Performance Suspension Springs, Lowering Kit 19mm (3\/4\") Drop Front and Rear, Stance and Handling Upgrade UK","description":"\u003cp\u003e\u003cstrong\u003eDinan sport springs for BMW G30 M550i\u003c\/strong\u003e - the UK enthusiast’s choice for a smarter stance, crisper chassis response and real-world grip without trashing ride comfort. If you are searching for a BMW 5 Series G30 handling upgrade, M550i coil spring kit, G30 ride height reduction, performance suspension springs or a BMW 5er stance upgrade, this premium coil spring set is exactly what you want.\u003c\/p\u003e\n\n\u003cp\u003eEngineered by Dinan to deliver a factory-plus feel, these performance coils tighten body control and improve steering precision while preserving daily usability. Carefully matched spring rates and complementary bump stops and perches maintain suspension travel and compliance, so your M550i tracks flatter through bends, puts power down with confidence and looks right doing it.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApproximate 19 mm drop front and rear - cleaner wheel gap, more aggressive OEM+ stance and improved chassis geometry\u003c\/li\u003e\n  \u003cli\u003eCirca 15 percent stiffer rate for reduced squat on throttle and reduced nose dive under braking\u003c\/li\u003e\n  \u003cli\u003eNoticeably less roll in quick direction changes - faster turn-in and surer high speed stability\u003c\/li\u003e\n  \u003cli\u003eHigh tensile chrome silicon spring steel, CNC wound and shot peened for durability and consistency\u003c\/li\u003e\n  \u003cli\u003eEnhanced mechanical grip and confidence on B-roads, motorway runs and spirited weekend drives\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose this G30 M550i coil spring kit\u003c\/h3\u003e\n\u003cp\u003eThis is a true performance-focused lowering solution for the BMW 5 Series M550i that keeps comfort intact on British roads. The calibration is tuned to sharpen response and feedback without the crashiness you get from cheap lowering springs. Pairing with Dinan supplemental bump stops and spring perches is recommended for the full ride quality and handling benefit.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e2018 BMW G30 M550i Saloon\u003c\/p\u003e\n\n\u003ch3\u003eReal-world feedback\u003c\/h3\u003e\n\u003cp\u003eInstalled and used by our team at MJ Modifications, with consistently positive customer reviews. Expect tighter control, flatter cornering and a planted, composed feel in everyday driving and fast-road use. The improvement is obvious from low speeds and remains confident up to motorway pace.\u003c\/p\u003e\n\n\u003ch3\u003eBuild quality\u003c\/h3\u003e\n\u003cp\u003eDinan manufactures these sport springs with precision winding, high grade chrome-silicon wire and shot peening to resist sag and fatigue. It is a premium aftermarket suspension upgrade that delivers the stance you want and the performance you can feel.\u003c\/p\u003e\n\n\u003ch3\u003eFitting service\u003c\/h3\u003e\n\u003cp\u003ePrefer professional installation and alignment setup We can help. MJ Modifications is based in Warwickshire - request a fitting quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your BMW G30 M550i today with a performance coil spring set that enhances appearance and handling. Ideal for owners searching for BMW 5 Series G30 sport springs UK, M550i suspension tuning, BMW G30 lowering kit, coil springs for M550i and chassis drop solutions that work brilliantly on UK roads.\u003c\/p\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55975218348418,"sku":"w4hk3ipu2n","price":379.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/D100-0932__99543.1535041430.jpg?v=1763320790","url":"https:\/\/mjmodifications.co.uk\/products\/dinan-performance-spring-set-for-bmw-g30-m550i","provider":"MJ Modifications","version":"1.0","type":"link"}