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Genuine BMW N54/N55 Electric Water Pump Bolt/Screw - OEM Fastener - Part 11517602123 - Fits 135i, 335i, 535i, 640i, 740i, X1/X3/X4/X5/X6 35i, Z4 35i/35is (E82 E90 E92 E93 E60 F10 F06 F12 F13 F01)

Genuine BMW N54/N55 Electric Water Pump Bolt/Screw - OEM Fastener - Part 11517602123 - Fits 135i, 335i, 535i, 640i, 740i, X1/X3/X4/X5/X6 35i, Z4 35i/35is (E82 E90 E92 E93 E60 F10 F06 F12 F13 F01)

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OEM Electric Coolant Pump Fixing Screw for BMW Straight-Six Turbo Engines - Part No. 11517602123

Keep your engine cooling system secure with this original equipment pump mounting screw, part number 11517602123. This is the correct factory fastener for the electric coolant pump used across BMW’s celebrated N54 and N55 straight-six platforms, delivering the right clamping force, perfect alignment and dependable sealing on performance road cars and tuned builds alike.

If you are refreshing the coolant pump, chasing an overheating issue or doing preventative maintenance, use the proper OE spec hardware to avoid leaks, warped flanges and premature wear. We fit these on our own cars and customer vehicles, and feedback is consistently excellent for fitment, reliability and peace of mind under spirited driving.

Why this OE fastener is the right choice

  • Original equipment grade fastening for electric coolant pump applications
  • Precise length and thread pitch for accurate torque and consistent clamping
  • Helps maintain cooling system integrity and prevents micro leaks
  • Ideal when replacing the electric coolant pump or refreshing mounting hardware

What you receive

1 x OE pump mounting screw supplied individually. Most applications require 3 screws per electric pump.

Fitment highlights

Suitable for a wide range of BMW petrol six-cylinder turbo models using the N54 or N55 electric coolant pump, including:

  • 1 Series E82 E88 135i and 1M
  • 3 Series E90 E91 E92 E93 335i 335xi 335is
  • 5 Series E60 LCI and F10 F11 535i including xDrive and Hybrid 5
  • 6 Series F06 Gran Coupe F12 F13 640i including xDrive
  • 7 Series F01 F02 740i 740Li including Hybrid variants
  • SAV and SAC models X1 E84 35iX, X3 F25 35iX, X4 F26 35iX M40iX, X5 E70 LCI 35iX 40iX, X6 E71 35iX 40iX
  • Z4 E89 sDrive35i and sDrive35is

Common search terms: coolant pump screw, pump securing bolt, pump to bracket fastener, BMW N54 coolant pump hardware, BMW N55 pump screw, electric coolant pump bolt, engine cooling hardware, replacement pump bolts, E82 E90 E92 E93 E60 F10 F06 F12 F13 F01 fasteners, 135i 335i 535i 640i 740i X3 X5 X6 Z4 pump screw.

Part number

11517602123

Manufactured by

BMW Original Equipment

Fitting service

Prefer professional fitting and torque to factory spec? Book with MJ Modifications in Warwickshire for expert installation and cooling system refresh. Request a quote at info@mjmodifications.co.uk.

Compatibility check

We verify compatibility before dispatch. For UK orders please provide your registration number. For international orders supply the last 7 digits of your VIN at checkout.

Warranty

Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a VIN is provided at checkout on compatible vehicles.

Also searched as: coolant pump mounting screw, OE pump hardware 11517602123, BMW pump fixing screw, electric pump attachment bolt, cooling system service fastener.

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