Keep your BMW's rear suspension tracking true with the Delphi Lateral Arm TC2839, a rear right upper lateral arm that locates the wheel and controls suspension geometry as the vehicle moves. It's a direct-fit replacement for the listed applications, including the 2011-2016 BMW 528I, 2011-2016 BMW 535I, 2011-2016 BMW 550I, 2012-2018 BMW 640I, 2012-2018 BMW 650I, 2013-2015 BMW 740I, 2013-2015 BMW 750I and 2013-2015 BMW ALPINA B7 — see the Buyer's Guide tab for the full 33-application list and engine specifics.
- OE expertise: Built with Delphi's OE steering know-how; parts withstand temperatures below -40°C and over 120°C and endure 720 hours of salt spray, with extensive dimensional and material analysis for OE-to-aftermarket compatibility.
- 100% inspected: Every arm undergoes full crack detection and ultrasonic flaw detection so materials match OE specifications.
- Corrosion protection: Anti-corrosion protection applied to each part for corrosion prevention and enhanced aesthetics.
- Complete job: Includes the necessary accessories for a complete installation, and is built for consistent performance and quality.
Worn lateral arm bushings or ball joints can cause clunks, uneven rear tire wear, and loose handling — signs this arm may need replacing.
Interchange: 33 32 4 069 284 · 33 32 6 782 136 · 102-8014
33324069284 · 33326782136 · 1028014 · RK642864 · CMS101364 · GS101364
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What position does this lateral arm fit?
It is a rear right upper lateral arm for the listed BMW applications. Confirm your vehicle on the Buyer's Guide tab before ordering.
Does the TC2839 come with mounting accessories?
Yes. Delphi states it includes the necessary accessories for a complete job. Consult the vehicle service information for correct torque and fasteners.
Which vehicles does this arm fit?
It fits 33 BMW applications, including the 2011-2016 528I, 535I and 550I, 2012-2018 640I and 650I, and 2013-2015 740I, 750I and ALPINA B7. See the Buyer's Guide tab for the full list.
How was this arm tested for quality?
Each arm undergoes 100% crack detection and ultrasonic flaw detection to ensure materials match OE specifications, plus dimensional and material analysis for OE compatibility.
What are signs my lateral arm needs replacing?
Clunks over bumps, uneven rear tire wear, and loose or vague handling can indicate worn bushings or a worn ball joint. Diagnose the cause before replacing.
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