ECS ECS Tuning Performance Polyurethane Differential Bushing Set - Rear Position - E39 525i 528i 530i 540i M5 002447ECS02

ECS Tuning Performance Polyurethane Differential Bushing Set - Rear Position - E39 525i 528i 530i 540i M5

ECS ECS
T#: 588363 | Part#: 002447ECS02
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122.21
SALE: $122.21 (3% OFF)
WAS: $125.99 on 06-14-2026

This product was last offered at the strikethrough price on
06-14-2026

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ECS ECS Tuning Performance Polyurethane Differential Bushing Set - Rear Position - E39 525i 528i 530i 540i M5 002447ECS02
ECS Tuning Performance Polyurethane Differential Bushing Set - Rear Position - E39 525i 528i 530i 540i M5
$122.21

**Click here for installation instructions**

Urethane mounts keep the differential from twisting under load. As torque is put through the driveline it causes anything to twist and move. The differential is mounted to the subframe and the twisting and deflection can be transferred to the rest of the chassis. With a stiffer mount the differential will not deflect as much. This improves seat-of-the-pants feeling to the driver, giving more feedback for smoother power delivery. In theory, there's also more torque being sent to the drive wheels since it's not being used up shifting the diff weight around.

These are tough 88A durometer urethane bushings with a anodized aluminum center sleeve, engineered by ECS. This is a set of E39 diff bushings for the rear position of the differential. Polyurethane installation lube is also included.

This item is an upgrade to the following BMWs: 
1997-2003 BMW E39 525i 528i 530i 540i M5

Prop 65 WarningProp 65 Warning

Cross Reference
  • 33171093008
Qty Description T# Part# Lifetime
1 Polyurethane Bushing Lubricant T#363115 9.11109~ECS YES
2 Performance Polyurethane Differential Bushing - Rear Position T#588358 026808ECS02~A YES

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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW E39 525i M54 2.5L Use vehicle selector to confirm fitment
BMW E39 528i M52 2.8L Use vehicle selector to confirm fitment
BMW E39 530i M54 3.0L Use vehicle selector to confirm fitment
BMW E39 540i M62 4.4L Use vehicle selector to confirm fitment
BMW E39 M5 S62 5.0L Use vehicle selector to confirm fitment
*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.