Genuine BMW Genuine BMW Harmonic Balancer & Crank Pulley - BMW B48TU (Gen 2 / B46D) 11235A3CF02

Genuine BMW Harmonic Balancer & Crank Pulley - BMW B48TU (Gen 2 / B46D)

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#: 50888347 | Part#: 11235A3CF02
Part#: 11-23-5-A3C-F02
Part#: 11 23 5 A3C F02
Part#: 11.23.5.A3C.F02
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688.99 $688.99
12% off MSRP:
$782.99

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Genuine BMW Harmonic Balancer & Crank Pulley - BMW B48TU (Gen 2 / B46D)
$688.99

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
  • Squeling / 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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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
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BMW G23 430i xDrive B46 2.0L For Pre-LCI models with the Gen2 B46 (B46D) engine only
BMW G26 430i Gran Coupe B46 2.0L For Pre-LCI models with the Gen2 B46 (B46D) engine only
BMW G26 430i xDrive Gran Coupe B46 2.0L For Pre-LCI models with the Gen2 B46 (B46D) engine only
BMW G29 Z4 sDrive30i B46 2.0L Use vehicle selector to confirm fitment
BMW G30 530i B48 2.0L For later models with the Gen2 B46 (B46D) engine only
BMW G30 530i xDrive B48 2.0L For later models with the Gen2 B46 (B46D) engine only
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.