Product Info

  • OE Number:11517566335
  • Fitment:BMW (5 Series F10/F07, 6 Series F12/F13, 7 Series F01, X5 E70, X6 E71), Rolls-Royce (Ghost, Phantom, Wraith)
  • Warranty:12 Months
  • Voltage:12V
  • Origin:China

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Electric Auxiliary Water Pump for BMW N63 N74 11517566335

OE Number11517566335
FitmentBMW 550i (F10/F07), 650i (F12/F13), 750i/750Li (F01), X5 xDrive50i (E70), X6 xDrive50i (E71); Rolls-Royce Ghost, Phantom, Wraith
Applicable EngineN63 (4.4L V8 Twin-Turbo), N74 (6.6L V12 Twin-Turbo)
TypeElectric Auxiliary Water Pump
FunctionCirculates coolant after engine shutdown to prevent turbocharger overheating (heat soak) and manages engine thermal regulation.
FeaturesOEM standard design, high-efficiency electric motor, durable housing, essential for protecting twin-turbo systems from heat damage.

Product Description

This high-performance Electric Auxiliary Water Pump is a direct replacement for BMW OE number 11517566335. It is specifically designed for the high-heat N63 (V8) and N74 (V12) engines found in 550i, 650i, 750Li, X5, X6, and Rolls-Royce models. Due to the "hot-V" design of these engines, this pump is critical for circulating coolant through the turbochargers after the engine is turned off, preventing oil coking and extending the life of the turbos. Manufactured to strict OEM specifications, it ensures reliable thermal management and quiet operation.

Installation Guide

Ensure the engine is cool and the battery is disconnected. Locate the auxiliary water pump (typically mounted on the side of the engine block or near the firewall). Drain a small amount of coolant to prevent spillage. Disconnect the electrical connector and remove the mounting bolts/hoses. Install the new pump, reconnect the electrical plug and hoses, and secure the mounting bolts. Refill coolant if necessary and bleed the system using the vehicle's diagnostic system or manu