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Bavarian Autosport

After 45 years, Bavarian Autosport has closed its doors. As an original provider of parts and advice to BMW and MINI enthusiasts, Bav Auto was a pioneer in our industry. ECS Tuning is proud to carry forward Bav Auto's longstanding commitment to the automotive community and to continue stocking many of the parts that you've relied on for years. Learn more here.


Idler Pulley

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
Mfg Part #
11287841228
 
11-28-7-841-228
 
11 28 7 841 228
ECS Part #
ES#21817
Brand
Genuine BMW
48.12
$58.80 (18% off MSRP)
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on orders $49 and up
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Product Details

This pulley controls the water pump and alternator belt. Usually the cause of bearing noise underhood.

Previous Revisions
  • 11281748130
  • 11281726181
  • 11281730571
  • 11281738061
  • 11281738605

This Part Fits the Following Vehicles

Make Model Submodel Engine
BMW E34 525i M50 2.5L
BMW E36 318i M42 1.8L
BMW E36 318i M44 1.9L
BMW E36 318ic M42 1.8L
BMW E36 318ic M44 1.9L
BMW E36 318is M42 1.8L
BMW E36 318is M44 1.9L
BMW E36 318ti M42 1.8L
BMW E36 323ic M52 2.5L
BMW E36 323is M52 2.5L
BMW E36 325i M50 2.5L
BMW E36 325ic M50 2.5L
BMW E36 325is M50 2.5L
BMW E36 328i M52 2.8L
BMW E36 328ic M52 2.8L
BMW E36 328is M52 2.8L
BMW E36 M3 S50 3.0L
BMW E36 M3 S52 3.2L
BMW E39 528i M52 2.8L
BMW E39 525i M54 2.5L
BMW E39 530i M54 3.0L
BMW E46 323Ci M52 2.5L
BMW E46 323i M52 2.5L
BMW E46 325Ci M54 2.5L
BMW E46 325i M54 2.5L
BMW E46 325xi M54 2.5L
BMW E46 328Ci M52 2.8L
BMW E46 328i M52 2.8L
BMW E46 330Ci M54 3.0L
BMW E46 330i M54 3.0L
BMW E46 330xi M54 3.0L
BMW E46 M3 S54 3.2L
BMW E53 X5 M54 3.0L
BMW E60 M5 S85 5.0L
BMW E63 M6 S85 5.0L
BMW E64 M6 S85 5.0L
BMW E90 M3 S65 4.0L
BMW E92 M3 S65 4.0L
BMW E93 M3 S65 4.0L
BMW Z3 2.3 M52 2.5L
BMW Z3 2.5 M52 2.5L
BMW Z3 2.8 M52 2.8L
BMW Z3 2.5i M54 2.5L
BMW Z3 3.0i M54 3.0L
BMW Z3 M Coupe S52 3.2L
BMW Z3 M Roadster S52 3.2L
BMW Z3 M Coupe S54 3.2L
BMW Z3 M Roadster S54 3.2L
BMW Z4 2.5i M54 2.5L
BMW Z4 3.0i M54 3.0L
BMW Z4 M Coupe S54 3.2L
BMW Z4 M Roadster S54 3.2L
BMW Z4 M Coupe S54 3.2L
BMW Z4 M Roadster S54 3.2L
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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