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Starting at $25.95, AutoBuffy stocks 1 multi-purpose light bulb sockets from Standard Ignition for the Bmw 228I Xdrive. The bulb socket is the electrical connector that holds a bulb in place and delivers current to it. When the socket corrodes, melts, or breaks, the bulb loses its ground or power feed — causing intermittent or total lighting failure that can create a safety or legal issue.
The most important decisions are matching the correct bulb base type the socket accepts (common types include single-contact bayonet, double-contact bayonet, and wedge-base styles) and confirming the connector body fits the housing it snaps into. Beyond fitment, consider whether the factory socket failed due to heat or corrosion, because that may point you toward a heavier-duty or weatherproof option.
| Option | Best for | What you get |
|---|---|---|
| OE-Replacement Socket | Restoring factory fit and function with no modifications | Exact connector body, terminal style, and wire pigtail length matched to the original socket |
| Heavy-Duty / High-Heat Socket | High-load positions like brake lights or fog lights where heat buildup caused the original to melt | Thicker plastic housing rated for higher temperatures and heavier-gauge terminals that resist arcing |
| Weatherproof / Sealed Socket | Exterior positions exposed to road spray, salt, or moisture (tail, marker, or license plate lights) | Gasketed or coated terminals and a sealed body that prevent corrosion-related failures |
| Universal Pigtail Socket (with splicing) | Budget repair or hard-to-find applications where a direct-fit socket is unavailable | A generic socket body of the correct bulb-base type; requires soldering or butt-connector splicing into the existing harness |
Access the socket by removing the lens, housing, or any trim panel covering it, then twist or pull the socket free from the housing and unplug the wiring connector. Splice the new pigtail socket into the original harness wires using butt connectors matched to the wire gauge, ensuring solid connections and proper insulation before reinstalling the housing. Test the light through all its functions — on, off, and flash — before buttoning everything up.