Genuine BMW N55 Electric Coolant Pump (OEM Water Pump) - 11518635090 - Fits F20/F21 M135i, F22/F23 M235i, F30/F31/F34 335i, F32/F33/F36 435i, F10/F11 535i, F06/F12/F13 640i, F87 M2, X5 F15 35i, X6 F16 35i

BMW N55 Electric Cooling Pump - OE-Spec Replacement - Part No. 11518635090

Keep your turbocharged straight-six running cool and consistent with this factory BMW cooling pump assembly, part number 11518635090. This original equipment unit restores reliable coolant circulation and temperature control on a wide range of F-series models powered by the N55 engine. If you are experiencing overheating warnings, intermittent coolant flow or reduced performance due to thermal issues, this is the exact OE-spec fix that brings back confidence and reliability.

Why choose the genuine BMW pump over aftermarket alternatives? Simple. Correct fit first time, precise flow characteristics, OE build quality and long service life. We run this pump on our own N55 cars at MJ Modifications and customer feedback mirrors our experience - stable temps on daily drives and spirited use, with hassle-free installation.

Highlights

• Original equipment BMW cooling pump for N55-powered models
• Direct replacement with the correct connectors and hose positions
• Restores consistent coolant circulation and temperature stability
• Ideal solution for overheating, limp-home events and weak coolant flow
• Suitable for both rear-wheel drive and xDrive where fitted from factory

What is included

• 1 x Genuine BMW electric cooling pump assembly
• BMW part number: 11518635090 (also written as 11 51 8 635 090)
• Manufacturer: BMW

Compatibility - N55 applications

• 1 Series F20, F21 - including M135i
• 2 Series F22, F23 - including M235i
• 2 Series F87 - M2
• 3 Series F30, F31, F34 - including 335i and ActiveHybrid 3
• 4 Series F32, F33, F36 - including 435i
• 5 Series F10, F11, F07 GT - including 535i
• 6 Series F06 Gran Coupé, F12, F13 - including 640i
• X5 F15 - 35i
• X6 F16 - 35i

If your vehicle is N55-powered within the models listed above, this OE pump is the correct replacement. For total peace of mind, use our free fitment check before dispatch.

Free fitment check

We verify compatibility before shipping. Add your UK registration or the last seven digits of your VIN at checkout and we will confirm this part suits your vehicle.

Professional fitting

Installation by a specialist is recommended. MJ Modifications offers fitting at our workshop in Warwickshire. For a quote or to book, email info@mjmodifications.co.uk.

Warranty

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

Search terms customers use

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