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.
Piston Rings
BMW
11-25-9-882-843
M5. From 04/19. M8. X6. M550i xDrive. N63r engine. M competition. X5.
$137.60
MSRP $165.38
Save $27.78
16.8% Off 
Water Hose Assembly
BMW
11-53-1-711-384
4.4L, 1999-01, return. Reservoir Hose to ATF Cooler.
$74.82
MSRP $85.29
Save $10.47
12.3% Off 
Coolant Temp Sensor
BMW
13-62-7-797-957
5 series. With diesel. 328d xDrive. X3. Without gt models. Diesel engine. 335i xDrive. 7 series.
$49.42
MSRP $66.05
Save $16.63
25.2% Off 
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