TYC 20-3668-00 Headlight Assembly - Left

BMW Left Headlight Assembly

This TYC Regular headlight assembly is a direct-fit exterior lighting replacement for select BMW E36 models with halogen lighting. It includes bulbs and uses a plastic lens and plastic housing for a straightforward OE-style repair on the left side.

Key Features

• Brand: TYC Regular
• Part number: 20-3668-00
• Headlight assembly for the left side
• Bulbs included
• Halogen bulb type
• High beam bulb included: yes
• Low beam bulb included: yes
• Plastic lens and plastic housing
• SAE/DOT compliant

Fitment Details

• Fits 1992-1999 BMW 318i, left.
• Fits 1992-1999 BMW 318is, left.
• Fits 1995-1999 BMW 318ti, left.
• Fits 1997-1999 BMW 323i, left.
• Fits 1998-1999 BMW 323is, left.
• Fits 1999 BMW 323ti, left.
• Fits 1996-1999 BMW 328i, left.
• Fits 1996-1999 BMW 328is, left.
• Fits 1994-1999 BMW M3, left.
• Fits 1992-1997 BMW 325i, left.
• Fits 1992-1995 BMW 320i, left.
• Fits 1992-1995 BMW 325is, left.

Detailed Description

TYC Regular part number 20-3668-00 is a left headlight assembly built for BMW 318i, 318is, 318ti, 323i, 323is, 323ti, 328i, 328is, M3, 325i, 320i, and 325is applications listed above. It uses halogen bulbs for both high and low beam functions, with the low beam specified as Halogen HB3/Halogen HB4. The plastic lens and housing provide an OE-style exterior lighting replacement that matches the original application requirements.

This part cross-references BMW 63 12 1 468 865 and Partslink BM2502101 for the same application. If you are replacing a damaged or cloudy BMW left headlight assembly, 20-3668-00 provides a direct-fit option for halogen-equipped vehicles in the covered model years.

Common Reasons for Replacement

• Cracked or broken headlight lens
• Moisture intrusion in the headlamp housing
• Dim, failed, or inconsistent halogen lighting
• Yellowed or worn exterior lens surface
• Restoring proper front-end lighting on BMW E36 models

Installation Notes and Tips

Verify halogen headlamp configuration before ordering, since this assembly is specified for halogen bulb applications. Confirm left-side placement and compare the existing unit to the OE reference numbers and connector layout before installation. After installation, aim the headlight to factory specifications to maintain proper road illumination and beam pattern.

Quality Assurance

This TYC Regular headlight assembly is SAE/DOT compliant and built as an exterior lighting replacement for the listed BMW applications. Part number 20-3668-00 is intended to match the original fitment requirements for the covered vehicles.