BMW 323i Serpentine Belts

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There are a number of belts under the hood of your BMW 323i that are all working to aid in the operation of different components. The serpentine belt is one of them. Also known as a drive belt, the serpentine belt works alongside the tensioner, idler, and various pulleys that are located in the accessory drive belt system. The serpentine belt helps to send power to things like your power steering and alternator. The serpentine belt is important to maintain, because if it starts to have issues, a range of problems can occur with these systems as well as your engine. Squealing noises coming from the front of your vehicle might indicate misalignment or a slip of the serpentine belt. If your engine is overheating, this can also be a sign of a worn out belt. You should also look at the belt yourself to see if there is cracks or wear and tear on the surface. You can find an OEM BMW 323i serpentine belt here on our site.

Serpentine Belt 6PK x 1538
Part Number: 11-28-7-636-379
Other Names: Power Steering Belt, Alternator Belt, Ribbed V Belt 115031 More Names
Replaces: 11-28-1-437-475, 11-28-1-706-545
Fits:
  • BMW:
    • 323Ci,
    • 323i,
    • 323is,
    • 325Ci,
    • 325i,
    • 325xi,
    • 328Ci,
    • 328i,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • X3,
    • X5,
    • Z3
  • 13 more
MSRP $45.26
$31.77
MSRP $45.26
$31.77
Serpentine Tensioner
Part Number: 11-28-1-433-571
Other Names: Tension Pulley, Belt Tensioner, Tensioner Pulley, Accessory Drive Belt Tensioner Assembly, Tensioner, Adjusting Pulley 112812 More Names
Fits:
  • BMW:
    • 323Ci,
    • 323i,
    • 323is,
    • 325Ci,
    • 325i,
    • 325xi,
    • 328Ci,
    • 328i,
    • 328is,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • X5,
    • Z3,
    • Z4
  • 14 more
MSRP $171.48
$131.70
MSRP $171.48
$131.70
Serpentine Idler Pulley
Part Number: 11-28-7-841-228
Positions: Upper
Other Names: Pulley, Tension Pulley, Accessory Drive Belt Idler Pulley, Accessory Drive Belt Tensioner Pulley, Idler Pulley, Roller, Deflection... More Names
Replaces: 11-28-1-726-181, 11-28-1-730-571, 11-28-1-738-061, 11-28-1-738-605, 11-28-1-748-130
Fits:
  • BMW:
    • 318i,
    • 318is,
    • 318ti,
    • 323Ci,
    • 323i,
    • 323is,
    • 325Ci,
    • 325i,
    • 325is,
    • 325xi,
    • 328Ci,
    • 328i,
    • 328is,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • M5,
    • M6,
    • X5,
    • Z3,
    • Z4
  • 20 more
MSRP $63.02
$48.77
MSRP $63.02
$48.77
AC Belt 5PK x 863
Part Number: 11-28-1-437-450
Other Names: Serpentine Belt, Ribbed V Belt 115031 More Names
Replaces: 11-28-1-437-872
Fits:
  • BMW:
    • 323Ci,
    • 323i,
    • 325Ci,
    • 325i,
    • 325xi,
    • 328Ci,
    • 328i,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • X5,
    • Z3
  • 11 more
MSRP $29.41
$20.64
MSRP $29.41
$20.64
Alternator Belt
Part Number: 11-28-7-636-378
Other Names: Serpentine Belt, Drive Belt, Ribbed V Belt H11280 More Names
Replaces: 11-28-1-437-929, 11-28-1-469-266, 11-28-1-703-561
Fits:
  • BMW:
    • 318i,
    • 318is,
    • 323i,
    • 323is,
    • 325i,
    • 325is,
    • 328i,
    • 328is,
    • 525i,
    • 525iT,
    • 528i,
    • M3,
    • Z3
  • 8 more
MSRP $66.24
$46.99
MSRP $66.24
$46.99
AC Belt
Part Number: 11-28-1-437-449
Other Names: Accessory Drive Belt, Serpentine Belt, Ribbed V Belt H11280 More Names
Replaces: 11-28-1-437-873, 11-28-1-470-024, 11-28-1-703-944
Fits:
  • BMW:
    • 323i,
    • 323is,
    • 328i,
    • 328is,
    • 525i,
    • 525iT,
    • 528i,
    • M3,
    • Z3
  • 4 more
MSRP $49.71
$35.27
MSRP $49.71
$35.27
Belt Tensioner
Part Number: 11-28-1-717-188
Other Names: Serpentine Tensioner, Tensioner, Tension Strut, Hydraulic Belt Tensioner 112811 More Names
Fits:
  • BMW:
    • 323Ci,
    • 323i,
    • 323is,
    • 325Ci,
    • 325i,
    • 325is,
    • 325xi,
    • 328Ci,
    • 328i,
    • 328is,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • X3,
    • X5,
    • Z3,
    • Z4
  • 16 more
MSRP $143.74
$114.96
MSRP $143.74
$114.96
Serpentine Belt Tensioner
Part Number: 11-28-1-717-210
Other Names: Serpentine Tensioner, Tensioner, Belt Tensioner, Tension Arm, Belt Tensioner H11280 More Names
Description: Ac. Z3. 2.8l. Z3. 2.5l. 2.5L, 1996-00. 525i, 528i, 530i. For Compressor Belt. 2.8 & 3.0L, 2.8L 1999-00. 528i 1997-98, hydraulic tensioner. More Info
Fits:
  • BMW:
    • 323i,
    • 323is,
    • 325i,
    • 325is,
    • 328i,
    • 328is,
    • 525i,
    • 528i,
    • M3,
    • Z3
  • 5 more
MSRP $131.29
$99.92
MSRP $131.29
$99.92
Tension Pulley
Part Number: 11-28-7-512-758
Other Names: Serpentine Tensioner, Tensioner, Belt Tensioner, Accessory Drive Belt Tensioner Assembly, Adjusting Pulley 112812 More Names
Fits:
  • BMW:
    • 323i,
    • 325Ci,
    • 325i,
    • 325xi,
    • 328i,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • X3,
    • X5,
    • Z4
  • 10 more
MSRP $171.48
$131.70
MSRP $171.48
$131.70
Hydraulic Belt Tensioner
Part Number: 11-28-7-838-797
Other Names: Serpentine Tensioner, Accessory Drive Belt Tensioner Assembly, Tensioner, Complete Hydraulic Belt Tens 112811 More Names
Replaces: 11-28-1-427-252, 11-28-1-722-789, 11-28-1-735-899, 11-28-1-748-832
Fits:
  • BMW:
    • 323Ci,
    • 323i,
    • 323is,
    • 325Ci,
    • 325i,
    • 325is,
    • 325xi,
    • 328Ci,
    • 328i,
    • 328is,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • X3,
    • X5,
    • Z3,
    • Z4
  • 16 more
MSRP $305.89
$242.75
MSRP $305.89
$242.75
Accessory Drive Belt Tensioner Pulley
Part Number: 11-28-1-748-131
Positions: Lower
Other Names: Tension Pulley, Idler Pulley, Pulley, Roller, Tensioner Pulley, Serpentine Tensioner, Serpentine Idler Pulley, Adjusting Pulley... More Names
Replaces: 11-28-1-726-343
Fits:
  • BMW:
    • 318i,
    • 318is,
    • 318ti,
    • 323Ci,
    • 323i,
    • 323is,
    • 325Ci,
    • 325i,
    • 325is,
    • 325xi,
    • 328Ci,
    • 328i,
    • 328is,
    • 330Ci,
    • 330i,
    • 330xi,
    • 525i,
    • 528i,
    • 530i,
    • M3,
    • X3,
    • X5,
    • Z3,
    • Z4
  • 19 more
MSRP $63.52
$49.16
MSRP $63.52
$49.16

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