{"product_id":"powerflex-pff5-4001gblk-caster-radius-arm-bush-bmw-f8x-m2-m3-m4","title":"Powerflex Black Series Front Radius Arm To Chassis Bush – Caster Adjustable | BMW F8X M2 \/ M3 \/ M4","description":"\u003cp class=\"p1\"\u003eUpgrade front suspension control and gain additional caster adjustment with the \u003cspan class=\"s1\"\u003e\u003cb\u003ePowerflex Black Series Front Radius Arm To Chassis Bush – Caster Adjustable\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDesigned for the BMW F8X M platform, PFF5-4001GBLK replaces the factory rubber radius arm bushes with Powerflex’s performance-focused Black Series polyurethane construction while introducing \u003cspan class=\"s1\"\u003e\u003cb\u003e5.5mm of caster adjustability\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis allows approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e±0.5° of caster adjustment\u003c\/b\u003e\u003c\/span\u003e, providing greater control over front suspension geometry and allowing the vehicle’s setup to be tailored for improved steering response and performance driving.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBlack Series Performance\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThis version uses \u003cspan class=\"s1\"\u003e\u003cb\u003ePowerflex Black Series material\u003c\/b\u003e\u003c\/span\u003e and provides approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e18% greater stiffness than the original component\u003c\/b\u003e\u003c\/span\u003e, helping the radius arm withstand increased loading and reducing unwanted bush deflection.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eReduced movement helps maintain more consistent suspension geometry during hard braking and cornering, making this an excellent upgrade for modified, performance-focused and track-driven F8X M cars.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCaster Adjustable Design\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eUnlike the standard PFF5-4001BLK bush, the \u003cspan class=\"s1\"\u003e\u003cb\u003ePFF5-4001GBLK provides 5.5mm of caster adjustment\u003c\/b\u003e\u003c\/span\u003e, allowing approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e±0.5° caster offset\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIncreasing positive caster can provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved steering feel and feedback\u003c\/li\u003e\n\u003cli\u003eGreater steering stability\u003c\/li\u003e\n\u003cli\u003eAdditional negative camber as the wheels turn\u003c\/li\u003e\n\u003cli\u003eImproved tyre contact during heavy cornering\u003c\/li\u003e\n\u003cli\u003eGreater control over front suspension geometry\u003c\/li\u003e\n\u003cli\u003eMore flexibility when setting up the vehicle’s alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThe additional negative camber generated during steering helps maintain tyre contact with the road when the vehicle is subjected to significant cornering loads.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eImproved Front-End Control\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eReplacing the factory rubber bushes with Powerflex polyurethane reduces unwanted movement within the radius arm mounting point.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eBenefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore precise steering response\u003c\/li\u003e\n\u003cli\u003eImproved braking stability\u003c\/li\u003e\n\u003cli\u003eMore consistent suspension geometry\u003c\/li\u003e\n\u003cli\u003eReduced bush deflection under load\u003c\/li\u003e\n\u003cli\u003eIncreased front-end feedback\u003c\/li\u003e\n\u003cli\u003eGreater alignment adjustability\u003c\/li\u003e\n\u003cli\u003eImproved durability compared with ageing factory rubber bushes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eWhy Choose Powerflex?\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eFactory rubber suspension bushes are designed to provide a balance between comfort, cost and performance. Over time, repeated loading and environmental exposure can cause rubber bushes to soften and deteriorate, allowing increased movement within the suspension.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003ePowerflex polyurethane bushes are engineered to provide improved control and durability while maintaining precise suspension operation.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePowerflex Black Series\u003c\/b\u003e is particularly suited to drivers looking for a more performance-focused suspension setup where chassis precision and geometry control take priority.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003ePowerflex also backs its polyurethane bushes with a \u003cspan class=\"s1\"\u003e\u003cb\u003eLifetime Warranty\u003c\/b\u003e\u003c\/span\u003e, subject to Powerflex’s applicable warranty terms.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eVehicle Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eSuitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F87 M2 – N55\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F87 M2 Competition – S55\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F87 M2 CS – S55\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F80 M3\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F80 M3 Competition\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F80 M3 CS\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F82 M4\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F82 M4 Competition\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F82 M4 CS\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F83 M4 Convertible\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBMW F83 M4 Competition Convertible\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003ePowerflex lists the caster-adjustable PFF5-4001G family for the F87 M2, F80 M3 and F82\/F83 M4 platforms.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eImportant Information\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThis product is intended for performance use and should be installed by a qualified professional.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eA professional wheel alignment is recommended following installation, particularly due to the caster-adjustable design.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIt is the customer’s responsibility to ensure compatibility with their specific vehicle prior to purchase. If you are unsure, please contact us before ordering.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eGridline Custom Motorsports is not responsible for issues arising from incorrect installation, misuse, or improper product selection.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDue to the nature of performance parts, some items may be special order and subject to supplier availability and lead times.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Default Title","offer_id":47166853447878,"sku":"PFF5-4001GBLKx2","price":382.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/4627\/7830\/files\/PFF5-4001GBLK.jpg?v=1789001892","url":"https:\/\/www.gridlinecustommotorsports.com.au\/products\/powerflex-pff5-4001gblk-caster-radius-arm-bush-bmw-f8x-m2-m3-m4","provider":"Gridline Custom Motorsports","version":"1.0","type":"link"}