{"product_id":"powerflex-bmw-f20-21-22-rear-front-radius-arm-to-chassis-bushcaster","title":"Powerflex PFF5-1901G Caster Front Radius Arm Bushes - BMW F20\/F21\/F22\/F23 RWD","description":"\u003cp\u003ePowerflex PFF5-1901G is a pair of \u003cstrong\u003ecaster-adjustable front radius arm-to-chassis bushes\u003c\/strong\u003e for the listed rear-wheel-drive BMW F20\/F21 and F22\/F23 models. These are replacement front suspension bushes, not rear differential mounts, subframe bushes or inserts.\u003c\/p\u003e\u003ch2\u003eWhat adjustment does PFF5-1901G provide?\u003c\/h2\u003e\u003cp\u003ePowerflex specifies an adjustable caster offset of up to \u003cstrong\u003eplus or minus 0.75 degrees\u003c\/strong\u003e. The final geometry depends on installation orientation and the rest of the suspension setup. Fit and adjust the bushes as part of a proper measured alignment, rather than assuming an automatic handling result.\u003c\/p\u003e\u003ch2\u003eBMW fitment\u003c\/h2\u003e\u003cp\u003eFor the applicable original front radius arms on BMW M135i\/M140i F20\/F21 and M235i\/M240i F22\/F23 rear-wheel-drive applications. Check the original component reference. This is not a blanket xDrive fitment or an application for later F40\/G42 models.\u003c\/p\u003e\u003ch2\u003eSpecification and supplied quantity\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePowerflex reference: PFF5-1901G.\u003c\/li\u003e\n\u003cli\u003ePosition: front radius arm inner mounting to chassis.\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: two bushes.\u003c\/li\u003e\n\u003cli\u003eBMW original bush reference: 31126855743.\u003c\/li\u003e\n\u003cli\u003eBMW original arm references: 31126855741 and 31126855742.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe arms themselves are not supplied. This listing is not the separately numbered PFF5-1901GBLK specification.\u003c\/p\u003e\u003ch2\u003eChoose caster adjustment or a non-adjustable bush\u003c\/h2\u003e\u003cp\u003eFor the alternative without caster adjustment, choose \u003ca href=\"\/products\/powerflex-bmw-f20-f21-f22-rear-front-radius-arm-to-chassis-bush\"\u003ePFF5-1901 front radius arm bushes\u003c\/a\u003e. For camber adjustment at the separate front control-arm position, see \u003ca href=\"\/products\/powerflex-bmw-f20-21-22-rear-front-control-arm-to-chassis-bush-camber\"\u003ePFF5-1902G front control arm bushes\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eInstallation notes\u003c\/h2\u003e\u003cp\u003eInspect the arms and joints, follow the Powerflex fitting instructions and have the geometry checked after fitting. Bush choice may change transmitted noise and vibration. Confirm the chassis, drivetrain and existing parts before ordering; there is no blanket fitment guarantee.\u003c\/p\u003e\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/powerflex-performance-polyurethane-bushes\"\u003ePowerflex suspension bush range\u003c\/a\u003e.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Default Title","offer_id":50023131808093,"sku":"PFF5-1901G","price":243.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/Powerflex-Rear-Front-Radius-Arm-To-Chassis-Bushcaster-BMW-F202122-Pff5-1901G.webp?v=1707991918","url":"https:\/\/www.nineteen72performance.com\/products\/powerflex-bmw-f20-21-22-rear-front-radius-arm-to-chassis-bushcaster","provider":"Nineteen72 Performance","version":"1.0","type":"link"}