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 Timing Chain Guide
BMW
11-31-1-736-408
Slide Piece. Slide Rail.
$32.21
MSRP $33.95
Save $1.74
5.1% Off Engine Crankcase Vent Valve
BMW
11-61-7-501-562
Incl.Cover.
$76.76
MSRP $87.50
Save $10.74
12.3% Off 
Engine Coolant Thermostat Kit
BMW
11-53-8-671-516
535i, 535xi. 3.0L turbo with hybrid. Hybrid 5. 640i xDrive. Incl.Housing and Thermostat. 535i GT, 535i GT xDrive.
$144.73
MSRP $194.95
Save $50.22
25.8% Off Engine Auxiliary Water Pump
BMW
64-11-8-375-237
HVAC System.
$489.14
MSRP $561.58
Save $72.44
12.9% Off 
Engine Oil Pump Seal
BMW
11-42-1-713-597
Small Pipe to Pump. 4.4L twin turbo. 4.4L, without M5. Dipstick.
$7.07
MSRP $8.50
Save $1.43
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