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 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
16.8% Off Engine Connecting Rod Bolt
BMW
11-24-7-589-671
To 11/2018. To 04/2009. 9 x 48mm. 9 x 47mm.
$6.88
MSRP $8.27
Save $1.39
16.8% Off 
Engine Control Module (ECM)
BMW
12-14-8-489-465
Optional.
$2,130.19
MSRP $2,409.72
Save $279.53
11.6% Off 
Engine Coolant Temperature Sensor
BMW
13-62-1-709-967
525, 535, 530, 540. M3. With 635CSi, 735i. 318, 325. 635, M6, 735. From 12/1984. To 10/1992.
$67.89
MSRP $82.23
Save $14.34
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