{"product_id":"ast-03-1997-05-2004-bmw-5-lowering-springs-35mm-2","title":"AST Suspension Lowering Springs - 03\/1997-05\/2004 BMW 540i Touring (E39) (Rear Air Suspension)","description":"\u003cp\u003eThe AST Suspension Lowering Springs for BMW 5 (E39) provide an application-specific lowering solution for owners changing ride height without purchasing a complete coilover system.\u003c\/p\u003e\u003cp\u003eThe springs determine the installed ride height rather than an adjustable spring perch. Their progressive design changes the effective spring rate through compression, allowing a different response as suspension load increases. Lowering also changes available suspension travel, so damper compatibility and application restrictions matter as much as the advertised drop.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eApproximate front lowering: 35 mm.\u003c\/li\u003e\n\u003cli\u003eFixed-height spring system; ride height is not perch-adjustable.\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: ASTLS-14-430.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplication details\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine \/ application\u003c\/th\u003e\n\u003cth\u003eBody style\u003c\/th\u003e\n\u003cth\u003eChassis \/ type\u003c\/th\u003e\n\u003cth\u003eApplication dates\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e540i (with airsuspension HA)\u003c\/td\u003e\n\u003ctd\u003eTOURING\u003c\/td\u003e\n\u003ctd\u003eE39\u003c\/td\u003e\n\u003ctd\u003e03\/1997-05\/2004\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eApplication requirements\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExcluding M-models, S4 models and cars with Audi sport chassis.\u003c\/li\u003e\n\u003cli\u003eThe bumpstop must be shortend to 45 mm.\u003c\/li\u003e\n\u003cli\u003eIn the case cars with a level regulation facility, the rear of the car can be lowered by approx. 15mm if desired by changing the settings on the level regulation system.\u003c\/li\u003e\n\u003cli\u003eDeveloped for use with compatible OEM dampers, subject to the application restrictions above.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation and setup\u003c\/h3\u003e\u003cp\u003eCompare the exact engine, body style and original suspension specification with the application details before ordering. Stated lowering is approximate; factory sport suspension, vehicle equipment and existing component condition can affect the measured change. Inspect dampers, mounts and bump stops during installation, check tire clearance, and have the alignment measured after the springs settle.\u003c\/p\u003e","brand":"AST","offers":[{"title":"Default Title","offer_id":68128896614650,"sku":"ASTASTLS-14-430","price":210.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/5adb116ada0a41391a383473a835c60fL_739cfcb4-f554-43ea-8334-21910a5b131d.jpg?v=1794172903","url":"https:\/\/lgcracing.com\/products\/ast-03-1997-05-2004-bmw-5-lowering-springs-35mm-2","provider":"Legacy Racing","version":"1.0","type":"link"}