BMW 325i Tail Light Bulb Size

The BMW 325i tail light utilizes specific bulb sizes including P21W, P21/4W, P21/5W, and 12821 for various lighting applications. Available data for the specified vehicle covers a range from 1988 through 2006.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
20061156P21WCheck Price
2001-2005P21/4WP21/4WCheck Price
19951157P21/5WCheck Price
1993-19941282112821Check Price
1988-19911282112821Check Price

Bulb Specifications

Description Type Shop
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAZ15d bayonet base. 12V, 21W/4W.P21/4WCheck Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.12821Check Price

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