Here is a list of the BSO numbers and what they are for a 1955 Pontiac Sedan Delivery. Keep in mind many of the BSO 's were standard on the Pathfinder Deluxe and Laurentian models.
Option Installed at the factory.
46 Antifreeze (Glycol Base)
92 Right Hand Sunvisor
98 gm auto radio and antenna
105 (5) 70x16-6 ply blackwall tires
106 (5 70x15- 4 ply whitewall tires
107 (5) 70x15 6 ply whitewall tires
111 Instrument Panel Clock
116 Oil filter engine mounted
121 Directional signals
122 Arm Rests
124 Heavy Duty Seat cushion and Back springs with option 140
140 Full width coach type seat ( imitation leather)
159 Latex foam rubber topper pad with option 140
186 Shade Lite glass
197 Hydraulic power steering
201 auxiliary seat
202 Power glide automatic transmission
206 Deluxe steering wheel
209 Handy governor- not set
213 Heavy Duty Springs and Shock Absorbers
303 Power Brakes
313 Positive Crankcase ventilation Six cylinder only
339 Overdrive transmission
353 electric windshield wipers
354 Engine Heater CSL55-629 Four Barrel Carburetor ( does not include dual exhausts on sedan delivery and station wagon.
