More BMW Engine Wiring Harness Engine Module - Genuine BMW 12511438426
Diagram for 12511438426
Genuine BMW
SKU: BMW-12511438426

BMW Engine Wiring Harness Engine Module - Genuine BMW 12511438426

540i

Position 1 in the diagram

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Price each: $1,040.99
Core charges are assigned to parts that have reusable components by manufacturers to encourage the return of the used units. Once you return the old part you will be refunded for your core charge, details regarding the return will be emailed to you once you place the order. Note: The customer is responsible for the cost of return shipping.

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Description

Details

SKU:
BMW-12511438426
FCP Euro ID:
242195
Quality:
Genuine

OE Numbers

12511438426

MFG Numbers

N/A

Product Information

Part number 12511438426 is a brand new, unused Genuine BMW part. 12511438426 is part of your BMW's engine wiring harness. Wiring harnesses are crucial for a variety of reasons. Think of an engine wiring harness as the nerves inside your body. Electronic pulses and signals are carried through this network and the engine is controlled by the DME via a network of signals from strategically placed sensors. Frayed, damaged, or corroded wiring harnesses can cause an array of issues.

Genuine BMW parts are distributed and sold internationally through the BMW parts network. They are designed and manufactured to BMW’s stringent quality control standards and are used to completer warranty and standard service work. In addition to this Genuine BMW parts are also sold to retail customers who want to service their BMW’s with Genuine BMW parts.

FCP Euro is an online retailer of Genuine and OEM replacement car parts for European Cars. Established in 1986 FCP Euro has focused on quality, service and selection from the beginning. FCP has a dedicated product development team that continuously adds and updates it’s product catalog to ensure the proper fitment and quality it’s replacement parts.

FCP Euro offers free shipping over $49, a hassle free unlimited returns policy, lifetime warranty on all products they sell, and an in-house call center dedicated to helping customers with their repair and purchase needs.

BMW Engine Wiring Harness diagram for 540i

Engine Wiring Harness

An engine wiring harness is a bundled set of electrical wires, connectors, and terminals that links the engine’s sensors, actuators, ignition system, fuel injectors, and other components to the vehicle’s Engine Control Module (ECM) and power supply.

It acts as the central nervous system of the engine, carrying signals and power to ensure the engine runs efficiently and safely. The harness is usually protected with insulation, conduit, and sometimes heat shields to prevent damage from heat, vibration, and moisture.

Engine Wiring Harness Failure Symptoms
  • Check Engine Light or Multiple Warning Lights: Faulty or broken connections can trigger sensor errors.
  • Engine Misfires or Rough Running: Inconsistent electrical signals to ignition coils or injectors disrupt combustion.
  • Starting Problems or No Start: If critical circuits like the starter, crankshaft position sensor, or fuel system are affected.
  • Intermittent Electrical Failures: Components work sometimes and fail at other times due to loose or damaged wires.

About Genuine BMW

The original parts used by BMW to build your car are available as replacement parts under the “Genuine BMW” brand. When ordering a Genuine BMW part you are guaranteed to get the same part that you would pick up from your local dealerships part department. Genuine BMW parts have been built to BMW’s stringent standards and are the same quality of the original parts used to build your Ultimate Driving Machine.

You may not realize this, but the parts that make up your BMW are not necessarily manufactured by BMW. No cause for concern, as BMW designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for BMW for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine BMW parts box and find an OEM branded part inside, simply with the addition of a BMW logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.

Fits These Cars

BMW 540i

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  • 1998 BMW 540i Engine Wiring Harness
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  • 1999 BMW 540i Engine Wiring Harness
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  • 2000 BMW 540i Engine Wiring Harness
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  • 2000 BMW 540i Engine Wiring Harness
    Automatic RWD Wagon 4.4L V8 M62 Gas
  • 2000 BMW 540i Engine Wiring Harness
    Manual RWD Wagon 4.4L V8 M62 Gas
  • 2001 BMW 540i Engine Wiring Harness
    Automatic RWD Sedan 4.4L V8 M62 Gas
  • 2001 BMW 540i Engine Wiring Harness
    Manual RWD Sedan 4.4L V8 M62 Gas
  • 2001 BMW 540i Engine Wiring Harness
    Automatic RWD Wagon 4.4L V8 M62 Gas
  • 2001 BMW 540i Engine Wiring Harness
    Manual RWD Wagon 4.4L V8 M62 Gas
  • 2002 BMW 540i Engine Wiring Harness
    Automatic RWD Sedan 4.4L V8 M62 Gas
  • 2002 BMW 540i Engine Wiring Harness
    Manual RWD Sedan 4.4L V8 M62 Gas
  • 2002 BMW 540i Engine Wiring Harness
    Automatic RWD Wagon 4.4L V8 M62 Gas
  • 2002 BMW 540i Engine Wiring Harness
    Manual RWD Wagon 4.4L V8 M62 Gas
  • 2003 BMW 540i Engine Wiring Harness
    Automatic RWD Sedan 4.4L V8 M62 Gas
  • 2003 BMW 540i Engine Wiring Harness
    Manual RWD Sedan 4.4L V8 M62 Gas
  • 2003 BMW 540i Engine Wiring Harness
    Automatic RWD Wagon 4.4L V8 M62 Gas
  • 2003 BMW 540i Engine Wiring Harness
    Manual RWD Wagon 4.4L V8 M62 Gas

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