19.5 X 3.0mm; Most cars require 2 pieces
34.2 x 4.0mm
19.5 x 3.0 mm
34.2 x 4.0 mm
Used during the replacement of the water pump on the cooling pipes to the cooling accumulator.
34.2 x 4.0 mm
Browse our selection of quality engine water pump o-ring parts designed specifically for your BMW 850Ci. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base
Coupe
V12 5.0L · V12 5.4L
Automatic · Manual
