WELLS 1S18203
WELLS part number 1S18203 is a headlamp switch in the Electrical-Switch & Relay system. This catalog matches it to 9 year-and-engine configurations from 2019 to 2022.
Verified fitment includes 2022 BMW 530I 2.0L L4 Turbocharged ; 2022 BMW M5 4.4L V8 Turbocharged ; 2021 BMW 530I 2.0L L4 Turbocharged ; 2021 BMW M5 4.4L V8 Turbocharged ; 2021 BMW M550I 4.4L V8 Turbocharged , plus 4 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is WELLS 1S18203?
WELLS part number 1S18203 is a headlamp switch with published application data for 9 vehicle configurations from 2019 to 2022. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does WELLS 1S18203 fit?
This catalog matches 1S18203 to 9 year-and-engine configurations from 2019 to 2022. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is WELLS 1S18203 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. WELLS 1S18203 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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