Delphi TC4617 Lateral Arm - Rear Left Lower Rearward

Rear Left Lower Rearward Lateral Arm for BMW

Delphi TC4617 is a rear left lower rearward lateral arm for BMW suspension systems. It is built for direct-fit replacement on select BMW 5 Series, 7 Series, 8 Series, and Alpina models, with OE-focused dimensional and material analysis to support proper alignment and suspension geometry.

Fits 2016-2022 BMW 740i, rear left lower rearward; Fits 2017-2022 BMW 740i xDrive, rear left lower rearward; Fits 2016-2022 BMW 750i xDrive, rear left lower rearward; Fits 2017-2022 BMW M760i xDrive, rear left lower rearward; Fits 2017-2020 BMW 750Li xDrive, rear left lower rearward; Fits 2017-2020 BMW M760Li xDrive, rear left lower rearward; Fits 2016-2019 BMW 750i, rear left lower rearward; Fits 2017-2023 BMW 530i, rear left lower rearward; Fits 2017-2023 BMW 530i xDrive, rear left lower rearward; Fits 2017-2023 BMW 540i, rear left lower rearward; Fits 2017-2023 BMW 540i xDrive, rear left lower rearward; Fits 2018-2023 BMW 530e, rear left lower rearward; Fits 2018-2023 BMW 530e xDrive, rear left lower rearward; Fits 2018-2023 BMW M550i xDrive, rear left lower rearward; Fits 2018-2019 BMW 640i xDrive Gran Turismo, rear left lower rearward; Fits 2017-2020 BMW 740e xDrive, rear left lower rearward; Fits 2018 BMW 540d xDrive, rear left lower rearward; Fits 2020-2024 BMW 840i, rear left lower rearward; Fits 2020-2024 BMW 840i Gran Coupe, rear left lower rearward; Fits 2020-2024 BMW 840i xDrive, rear left lower rearward; Fits 2020-2024 BMW 840i xDrive Gran Coupe, rear left lower rearward; Fits 2019-2024 BMW M850i xDrive, rear left lower rearward; Fits 2020-2024 BMW M850i xDrive Gran Coupe, rear left lower rearward; Fits 2022-2023 BMW Alpina B8 Gran Coupe, rear left lower rearward; Fits 2020-2022 BMW 745e xDrive, rear left lower rearward.

Key Features

• Rear left lower rearward lateral arm for BMW suspension repair
• OE-style fitment support for select 5 Series, 7 Series, 8 Series, and Alpina applications
• Delphi OE engineering applied to the aftermarket steering and suspension portfolio
• Tested for temperature extremes below -40 C and above 120 C
• Exposed to 720 hours of salt spray testing for corrosion resistance validation
• Material and dimensional analysis helps match OE and aftermarket requirements

Detailed Description

Delphi TC4617 is a suspension lateral arm designed for the rear left lower rearward position on select BMW vehicles. This part number is used across multiple BMW platforms, including the 530i, 540i, 740i, 750i xDrive, M850i xDrive, and Alpina B8 Gran Coupe, making it a practical OE-style replacement when restoring rear suspension control and geometry. Delphi applies OE-based engineering methods to its aftermarket steering and suspension parts, with validation that includes thermal cycling and extended salt spray exposure. Delphi TC4617 also cross-references 33 32 6 861 125 and 1028365 for the same application.

What This Part Helps Address

• Rear suspension looseness or instability at the left rear corner
• Excessive play from a worn or damaged lateral arm
• Alignment issues caused by suspension component wear
• Noises from the rear suspension during load transfer or road impacts
• Uneven tire wear related to rear suspension geometry problems

Installation Notes and Tips

Install Delphi TC4617 on the rear left lower rearward suspension position only when the vehicle application matches the listed BMW fitment. After replacement, perform a professional wheel alignment to verify rear suspension geometry. Inspect adjacent bushings, links, and mounting points for wear before completing the repair.

Quality Assurance

Delphi validates this lateral arm with OE-focused testing and material analysis to support fit and durability expectations for BMW suspension service. The part is engineered using Delphi's OE expertise and tested under extreme temperature and corrosion conditions to help maintain consistent performance in demanding driving environments.