Genuine BMW Genuine BMW Engine Harmonic Balancer & Crank Pulley - BMW G01 G02 G29 B58 3.0L 11239846660

Genuine BMW Engine Harmonic Balancer & Crank Pulley - BMW G01 G02 G29 B58 3.0L

Harmonic balancers protect your engine from vibrations caused by the combustion process. If your balancer is showing signs of failure and your engine is vibrating excessively, it is best to replace this as soon as possible to prevent damage to the crankshaft and internal engine components.
Genuine BMW Genuine BMW
T#: 635925 | Part#: 11239846660
Part#: 11-23-9-846-660
Part#: 11 23 9 846 660
Part#: 11.23.9.846.660
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774.57 $774.57
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Genuine BMW Engine Harmonic Balancer & Crank Pulley - BMW G01 G02 G29 B58 3.0L
$774.57

During the combustion cycle, each ignition pulse results in a small amount of torsional vibration. As RPMs rise, these vibrations can reach a resonant point, which stresses the crankshaft and can cause metal fatigue, cracks, or even the crankshaft snapping.

Luckily, this is easily managed by your engine's harmonic balancer, which acts as a shock absorber at the front of your crankshaft. The harmonic balancer, also called a crankshaft damper, is made from multiple layers of metal and rubber, which absorb these vibrations to remove the harshness caused during engine operation, protecting your engine and main bearings from damage.

Common symptoms of a failing harmonic balancer include:

  • Abnormal Engine Vibrations
  • Squealing / Chirping Noises
  • Visual Wobble or Separation of the metal and rubber layers
  • Cracked and/or hardened rubber
  • Serpentine Belt Misalignment

Replace your harmonic balancer with a brand new unit from BMW to ensure your engine and bearings are properly protected from vibrations.

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Previous Revisions
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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW G01 X3 M40i B58 3.0L For models without the 48V Mild Hybrid system
BMW G02 X4 M40i B58 3.0L For models without the 48V Mild Hybrid system
BMW G29 Z4 sDrive M40i B58 3.0L Use vehicle selector to confirm fitment
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