{"product_id":"front-left-lower-control-arm-w-ball-joint-for-1999-2008-bmw-steel","title":"Front Left Lower Control Arm w Ball Joint for 1999-2008 BMW - Steel","description":"\u003cp\u003eIn this review of the Metrix Premium Front Left Lower Control Arm w Ball Joint \u0026amp; Bushing Assembly, the bottom line is straightforward: this is a direct-fit steel replacement for owners of compatible BMW sedans and Z4 models who need a durable, pre-greased suspension arm. The review finds it best for DIY mechanics and independent shops looking for an OE-interchange option that claims to exceed OEM standards and arrives ready to install. The single biggest reason to buy is the combination of pre-greased components and the manufacturer quality certifications that back long-term reliability.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits a wide range of BMW models from 1999 through 2008, reducing uncertainty when ordering a replacement part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-greased assembly:\u003c\/strong\u003e Arrives pre-lubricated for extended lifespan and smoother initial movement, saving installation prep time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel construction:\u003c\/strong\u003e Built from steel for strength and durability under typical road and handling loads in the covered models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE interchange numbers:\u003c\/strong\u003e Matches common part references such as RK80527 and 31121094465 for easier verification and cross-referencing with existing parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality certifications:\u003c\/strong\u003e Manufactured to IATF 16949 and ISO 9001 standards, indicating factory-level process controls and traceability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty coverage:\u003c\/strong\u003e Comes with a 3 Year \/ 36,000 mile limited warranty from installation, offering post-installation peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis control arm is best for owners of 1999-2000 3 Series sedans, 2001-2006 3 Series coupes and sedans without performance suspension, and 2003-2008 Z4 models who want a reliable, steel OE-style replacement assembled with grease and ready to install. Independent repair shops and competent DIY mechanics who value parts that match OE interchange numbers and carry manufacturer certifications will find this a sensible choice.\u003c\/p\u003e\u003cp\u003eIt is not the best option for vehicles outside the stated fitment list or for owners requiring performance-tuned suspension components; those seeking adjustable or performance aftermarket arms should look elsewhere. Also, buyers who need a pair or larger kit should note this listing supplies a single left front control arm.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood fitment for many BMW 3 Series and Z4 submodels, so replacement ordering is straightforward.\u003c\/li\u003e\n\u003cli\u003ePre-greased for immediate use, which simplifies installation and reduces initial wear.\u003c\/li\u003e\n\u003cli\u003eBacked by IATF 16949 and ISO 9001 manufacturing standards plus a 3 year \/ 36,000 mile limited warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a single control arm, so buyers needing both sides must purchase two units separately.\u003c\/li\u003e\n\u003cli\u003eSteel construction favors durability over weight savings, so it is not a lightweight performance upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Location\u003c\/td\u003e\n\u003ctd\u003eFront left lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eControl arm with ball joint and bushing assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity in box\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOE \/ Interchange\u003c\/td\u003e\n\u003ctd\u003eRK80527, CMK80527, CB14043, 31121094465\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 Year \/ 36,000 miles limited from installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Metrix Premium front left lower control arm is a practical, value-oriented replacement for owners of the listed BMW 3 Series and Z4 models who need a reliable OE-interchange part. Its pre-greased assembly, steel construction and manufacturing certifications make it a trustworthy choice for routine suspension repairs, provided buyers understand this is a single replacement arm rather than a performance upgrade.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my 2004 BMW 325i?\u003c\/strong\u003e\u003cbr\u003eYes, the part lists compatibility with 2001-2005 BMW 325i models without performance suspension.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the arm come ready to install?\u003c\/strong\u003e\u003cbr\u003eYes, the control arm is supplied pre-greased for smoother operation and reduced prep work during installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat warranty is included?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer provides a 3 Year \/ 36,000 mile limited warranty from the date of installation.\u003c\/p\u003e","brand":"METRIX PREMIUM CHASSIS PARTS","offers":[{"title":"Default Title","offer_id":48608112476379,"sku":"B08X8WXQSR","price":98.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71AO4CYteiL._AC_SL1500.jpg?v=1778568284","url":"https:\/\/gearmusthave.com\/products\/front-left-lower-control-arm-w-ball-joint-for-1999-2008-bmw-steel","provider":"GearMustHave","version":"1.0","type":"link"}