BMW 540i Engine Wiring Harnesses
The OEM BMW 540i engine wiring harnesses work just like the brain in your body. This part carries the pulses and signals from the electronic system. They are routed through the network to the engine. With sensors placed strategically throughout the system, each wire knows where to send the signal. When your genuine BMW 540i engine wiring harnesses fries, becomes corroded or gets damaged, you will have trouble with the electrical components.
Don't forget any electrical tape, adapters and brackets you might need for installation. Buy below to get all of your BMW electrical parts factory-direct and you'll also receive fast shipping.
Engine Support Spacer
BMW
11-12-1-726-245
4.0 & 4.4L. 2000-03. 3.0L with turbo diesel.
$1.76
MSRP $1.83
Save $0.07
3.8% Off 
Engine Coolant Hose
BMW
17-12-8-602-678
4.4L. M550i xDrive. Primary. N63r engine. Intercooler Inlet Assy.. From Charge Air Cooling Radiator. 2017-19, outer radiator.
$107.60
MSRP $134.53
Save $26.93
20% Off 
Engine Coolant Hose
BMW
11-53-7-643-177
Turbocharger Cooling. Inlet. 3.0L gas, 2017-19. X3. 3.0l. Feed. Without m, 2018-19. M40i, 2019.
$265.94
MSRP $309.95
Save $44.01
14.2% Off 
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