TRQ Front Lower Forward Control Arm Ball Joint Assembly LH Driver Side

In this review the TRQ Front Lower Forward Control Arm Ball Joint Assembly for left-hand driver side BMWs is evaluated for DIYers and mechanics working on 2011-2019 F10 and related models. The bottom line: it is a ready-to-install direct replacement that mainly appeals to owners who need a reliable, cost-effective control arm that matches OE fit. The product's pre-assembled design and wide model compatibility make it the single biggest reason to choose it for a routine suspension repair or when restoring steering geometry.

Key Features

• Direct fit replacement: Pre-assembled components are designed to match the original part, reducing installation time and eliminating the need for modifications.
• Wide model compatibility: Fits numerous rear-wheel-drive BMW applications from 2011 through 2019, simplifying part selection for F10 and Gran Coupe owners.
• Multiple reference numbers: Includes common cross-references such as RK641509 and 31126775971 to help confirm correct fitment.
• DIY video support: Comes from a brand that provides instructional videos to guide installation and help users "view before they do" if a video for this exact part is available.
• Quality and durability focus: Marketed by a supplier with over two decades of parts experience, aimed at providing consistent replacement quality.

Who It's For

This control arm assembly is best for BMW owners with rear-wheel-drive 5 and 6 Series vehicles from model years listed in the fitment who want a cost-effective, direct-replacement part that largely matches the original equipment. It suits experienced DIYers and independent shops that value a pre-assembled unit to save time and avoid sourcing a separate ball joint.

It is less appropriate for owners who require OEM-branded parts for warranty or dealership repairs, or for those whose specific vehicle variant is not listed in the compatibility chart; always confirm fitment with the garage or vehicle fitment tool before purchase.

Pros & Cons

Pros

• Direct replacement design speeds installation and reduces labor compared with separate components.
• Matches original fit for many F10 and Gran Coupe applications, with multiple reference numbers to cross-check fit.
• Good value compared with dealer pricing, according to owners who reported savings.
• Brand provides DIY videos to assist with installation for users who prefer visual guides.

Cons

• Some customers reported ball joint issues, so long-term durability may vary by use and installation quality.

Specifications

Product type	Front lower forward control arm with ball joint
Vehicle fitment	BMW F10 528i 535i 550i 640i 650i and Gran Coupe variants (RWD) 2011-2019
Side	Left hand / Driver side
Reference numbers	RK641509, 31126775971, 512-50610L, 522-885, CMS101276
Assembly	Pre-assembled control arm and ball joint
Brand focus	Replacement parts with DIY video support

Our Verdict

The TRQ front lower forward control arm assembly is a practical, economical option for owners of compatible BMW F10 and related models who need a quick, direct replacement. It delivers clear installation advantages and broad fitment, representing good value for independent repairs, though buyers should confirm fitment carefully and be mindful of isolated ball joint reports.

Frequently Asked Questions

Will this part fit my BMW F10?
Check the specific model years and variants listed in the fitment notes; confirm compatibility with your vehicle identification method before ordering.

Is the ball joint pre-installed?
Yes, the unit is supplied as a pre-assembled control arm with ball joint to simplify installation.

Are DIY instructions available?
The manufacturer provides DIY video support and installation guides for many parts to help with proper installation and torque procedures.