BMW 328i Engine Wiring Harnesses

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Your BMW 328i came with an engine wiring harness that was installed at the factory. While you may not think much about it, it's an important component as it organizes the wires, cables, connectors, and terminals that control all of your electrical components.

What a Wiring Harness Does

Your original engine wiring harness relays electrical power to parts like the alternator, battery, fuel injector, windshield wipers, headlights, and more. In short, anything that require electricity to operate depends on the quality of your engine wiring harness.

How to Tell Your Engine Wiring Harness is Going Bad

If your wiring harness gets damaged, you need to replace it as soon as possible. If you notice any of the following, have yours tested to ensure that it's operating properly:

  • Your front or rear lights aren't working
  • Some electrical components stop working
  • You have ignition trouble
  • Your battery dies or quickly loses its charge

Whether your engine wiring harness is failing due to age or degraded wiring, you need to repair the problem. Choosing a genuine BMW wiring harness, such as the ones shown here in our online auto parts inventory, ensures that you're selecting the right one for your 328i. Find everything you need, complete your order, and we'll ship it right to your door. Buy now to save time and money!

Engine Harness
Part Number: 12-51-7-566-552
Other Names: Wire Harness, Engine Wiring Harness, Engine Wiring Harness Engin 121051MO More Names
Description: 328i, 328xi. Coupe & convertible, 3.0L, without turbo. More Info
Fits:
  • BMW:
    • 128i,
    • 328i,
    • 328i xDrive,
    • 328xi
MSRP $515.74
$442.51
MSRP $515.74
$442.51
Engine Harness
Part Number: 12-51-7-555-015
Other Names: Engine Wiring Harness Engin 121051MO More Names
Description: Coupe & convertible, 3.0L, without turbo. More Info
Fits:
  • BMW:
    • 328i,
    • 328xi
MSRP $515.74
$442.51
MSRP $515.74
$442.51
Engine Harness
Part Number: 12-51-7-563-098
Other Names: Engine Wiring Harness Engin 121051MO More Names
Description: Sedan, wagon,. More Info
Fits:
  • BMW:
    • 325i,
    • 325xi,
    • 328i,
    • 328xi,
    • 330i,
    • 330xi,
    • 335i,
    • 335xi
  • 3 more
MSRP $515.74
$442.51
MSRP $515.74
$442.51
Engine Harness
Part Number: 12-53-7-634-058
Other Names: Wiring Harness Engine Trans 121051MO More Names
Description: 2.0L gas, 2012-16, engine/transmission, auto trans. More Info
Fits:
  • BMW:
    • 328i,
    • 428i Gran Coupe,
    • 428i xDrive Gran Coupe
MSRP $435.35
$373.53
MSRP $435.35
$373.53
Engine Harness
Part Number: 12-53-7-634-056
Other Names: Wiring Harness Engine Trans 121051MO More Names
Description: 2.0L gas, 2012-16, engine/transmission, manual trans. More Info
Fits:
  • BMW:
    • 320i,
    • 320i xDrive,
    • 328i,
    • 328i xDrive
MSRP $334.86
$287.31
MSRP $334.86
$287.31
Engine Harness
Part Number: 12-51-8-654-233
Other Names: Wiring Harness Engine Ignit 121051MO More Names
Replaces: 12-51-7-619-144, 12-51-7-649-087
Description: 2.0L, 2014-16, ignition module. 2.0L gas, 2012-16, ignition module. More Info
Notes: 21. More Notes
Fits:
  • BMW:
    • 320i,
    • 320i xDrive,
    • 328i,
    • 328i GT xDrive,
    • 328i xDrive,
    • 428i,
    • 428i Gran Coupe,
    • 428i xDrive,
    • 428i xDrive Gran Coupe,
    • X1
  • 5 more
MSRP $334.86
$287.31
MSRP $334.86
$287.31
Engine Harness
Part Number: 12-53-7-634-059
Other Names: Wiring Harness Engine Trans 121051MO More Names
Description: 2.0L gas, 2012-16, engine/transmission, auto trans. More Info
Notes: 16. More Notes
Fits:
  • BMW:
    • 320i,
    • 320i xDrive,
    • 328i,
    • 328i GT xDrive,
    • 328i xDrive
MSRP $435.35
$373.53
MSRP $435.35
$373.53
Engine Harness
Part Number: 12-51-7-619-142
Other Names: Wiring Loom Eng Valvetron 121051MO More Names
Description: 2.0L, 2014-16, servo motor. 2.0L gas, 2012-16, servo motor. More Info
Notes: 21. More Notes
Fits:
  • BMW:
    • 320i,
    • 320i xDrive,
    • 328i,
    • 328i GT xDrive,
    • 328i xDrive,
    • 428i,
    • 428i Gran Coupe,
    • 428i xDrive,
    • 428i xDrive Gran Coupe,
    • X1
  • 5 more
MSRP $133.95
$114.05
MSRP $133.95
$114.05
Engine Harness
Part Number: 12-51-7-641-661
Positions: Right
Other Names: Wiring Harness Eng Sensori 121051MO More Names
Description: 2.0L gas, 2012-16, sensor system. More Info
Fits:
  • BMW:
    • 320i,
    • 320i xDrive,
    • 328i,
    • 328i xDrive
MSRP $334.86
$287.31
MSRP $334.86
$287.31
Engine Harness
Part Number: 12-51-7-619-135
Positions: Left
Other Names: Wiring Harness Eng Sensori 121051MO More Names
Description: 2.0L gas, 2012-16, sensor system. More Info
Fits:
  • BMW:
    • 320i,
    • 320i xDrive,
    • 328i,
    • 328i xDrive
MSRP $334.86
$287.31
MSRP $334.86
$287.31
Engine Harness
Part Number: 12-51-7-619-139
Positions: Right
Other Names: Wiring Harness Eng Sensori 121051MO More Names
Description: 2.0L, sensor system, with awd. 2.0L gas, 2012-16, sensor system. More Info
Notes: 1. More Notes
Fits:
  • BMW:
    • 328i,
    • X1
MSRP $334.86
$287.31
MSRP $334.86
$287.31
Engine Harness
Part Number: 12-51-7-641-657
Positions: Left
Other Names: Wiring Harness Eng Sensori 121051MO More Names
Description: 2.0L gas, 2012-16, sensor system. More Info
Fits:
  • BMW:
    • 320i,
    • 320i xDrive,
    • 328i,
    • 328i xDrive
MSRP $334.86
$287.31
MSRP $334.86
$287.31
Wire Harness
Part Number: 12-51-1-439-991
Other Names: Engine Wiring Harness, Engine Wiring Harness Engin 121051MO More Names
Description: Fuse box. engine. More Info
Fits:
  • BMW:
    • 323Ci,
    • 323i,
    • 328Ci,
    • 328i
MSRP $669.25
$600.31
MSRP $669.25
$600.31

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