HomeElectrical, Lighting and Body > Lighting - ExteriorTYC 20-16720-01 Headlight Assembly - Left
Part #: 20-16720-01

TYC 20-16720-01 Headlight Assembly - Left

TYC Regular, Left
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Regular, Left
🚗Fitment: BMW, X5
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Overview of TYC Regular Left Headlight Assembly for BMW X5

The TYC Regular left headlight assembly (part number 20-16720-01) is designed specifically for BMW X5 models. This headlight assembly features a clear polycarbonate lens and durable polypropylene housing, engineered to meet SAE and DOT compliance standards for reliable exterior lighting performance.

  • Compatible with BMW X5 vehicles
  • Clear PC plastic lens and PP plastic housing
  • Includes lens and housing components
  • Supports HID D1S bulb types for low and high beams (bulbs not included)
  • Equipped with AFS and auto-level motors for adaptive lighting
  • Front side marker and park lamp bulbs included (LED type)
  • Front signal light bulb included (Halogen PY24W)
  • External HID ballast included

Detailed Features of the TYC Regular Headlight Assembly

This left headlight assembly from the TYC Regular line is engineered to provide precise lighting performance for the BMW X5. The clear lens is made from impact-resistant polycarbonate plastic, while the housing is constructed from durable polypropylene plastic to withstand road conditions. The assembly supports HID D1S bulbs for both low and high beams, although bulbs are not included. It also features an external HID ballast to ensure proper operation of the HID system.

Advanced features include an Adaptive Front-lighting System (AFS) motor and an auto-level motor, which help adjust the beam pattern and maintain optimal headlight alignment during driving. The assembly comes with LED front side marker and park lamp bulbs, as well as a halogen PY24W front signal light bulb, all pre-installed for convenience.

About the TYC Regular Product Line

The TYC Regular product line offers reliable replacement lighting components designed to meet OEM specifications. This line focuses on providing quality materials and functional features such as adaptive lighting motors and compliance with safety standards. The 20-16720-01 headlight assembly exemplifies the TYC Regular commitment to durability and fitment accuracy for BMW X5 vehicles.

Common Applications and Issues Addressed

  • Replacement for damaged or cracked left headlight assemblies on BMW X5
  • Restores proper HID low and high beam functionality
  • Resolves issues with adaptive front-lighting system motor failure
  • Corrects misaligned or non-level headlights due to faulty auto-level motor
  • Replaces assemblies with burnt-out or missing front side marker, park lamp, or signal bulbs

Installation Notes and Tips

Installation of the TYC Regular left headlight assembly (20-16720-01) requires removal of the existing headlight unit. Since bulbs are not included for the HID low and high beams, ensure compatible D1S bulbs are installed separately. The external HID ballast is included and should be connected according to vehicle wiring specifications. Verify proper operation of the AFS and auto-level motors after installation to maintain adaptive lighting functionality.

Quality Assurance and Warranty

This TYC Regular headlight assembly is manufactured to meet SAE and DOT compliance standards, ensuring safety and performance. The part number 20-16720-01 undergoes quality control inspections to maintain fitment accuracy and durability for BMW X5 vehicles. Warranty information is provided by TYC and typically covers defects in materials and workmanship under normal use.

BrandTYC
Part Number20-16720-01
PositionTYC Regular, Left
Bulbs IncludedNo
Lens ColorClear
Bulb TypeHid
Lens MaterialPc plastic
Housing MaterialPp plastic
Afs MotorYes
Auto-lever MotorYes
Components IncludedLens and housing
Daytime Running Light Bulb IncludedNo
Daytime Running Light Bulb TypeLed
Front Side Marker Light Bulb IncludedYes
Front Side Marker Light Bulb TypeLed
Front Signal Light Bulb IncludedYes
Front Signal Light Bulb TypeHalogen py24w
Hardware IncludedNo
Hid Ballast Included1/external
High Beam Bulb IncludedNo
High Beam Bulb TypeHid d1s
Led Controller IncludedNo
Low Beam Bulb IncludedNo
Low Beam Bulb TypeHid d1s
Other Side20-16719-01
Park Lamp Bulb IncludedYes
Park Lamp Bulb TypeLed
PositionLeft
Sae/dot CompliantYes

This part fits 5 vehicles. Search below:

YearMakeModelSubmodelBody TypePositionNotes
2018BMWX5xDrive35iSport UtilityLeftHID Type; TYC Regular
2017BMWX5MSport UtilityLeftHID Type; TYC Regular
2016BMWX5xDrive35iSport UtilityLeftHID Type; TYC Regular
2015BMWX5MSport UtilityLeftHID Type; TYC Regular
2014BMWX5xDrive35dSport UtilityLeftHID Type; TYC Regular

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

63 11 7 317 109BM2518149

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.