The earliest of E30 ABS pumps the first iterations of the BOSCH 0 265 200 013 has a redundant ground (pin #8) on the main chassis connector, and again on the solenoid relay which is characterized by 5 pins unlike the 4 pin used on later models.
The solenoids on this pump are specific to the 013 series of pumps. The upper manifold plate was used on other vehicle models with top facing fluid exits and is plugged on this application.
The cover shroud and chassis wiring hold down are secured with Flathead screws
The youngest of these pumps is 28 years old and has all but undoubtedly suffered from infrequent fluid exchanges.
Solenoids become encumbered with sludge, filter screens obstructed, and shuttle valves seize. ABS function extremely limited.
Lack of fluid flow through the pump to the rear caliper circuit is most common, with a possibility to stick the calipers ON
All components disassembled, ultrasonically cleaned and exampled for wear, damage and fitness for refurbishment.
Aluminum components vapor honed to lustrous finish. Steel parts cleaned, polished and plated in yellow zinc chromate.
Solenoids and drive motor electrically tested with windings and current draw verified inside of normal specified range.
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BOSCH® is a registered trademark of Robert Bosch GmbH, Germany.
E30, E28, M3 & M5 are registered trademarks of BMW AG, Munich, Germany.
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