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Win this M240i!
Every $50 spent = 1 entry*

No purchase necessary to enter or win. See official rules.


Hub Bore Size Conversion Kit

Converts the center bore from 74.1mm to 72.56mm - increase wheel options without adapters or machine-work!
Mfg Part #
31226765601KT1
ECS Part #
ES#2649712
Brand
Assembled By ECS
490.81
$516.64 (Sale - Save 5%)
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Availability: Inventory On Order, ETA Nov 1, 2021
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Product Details

For some reason BMW decided when designing the E39 to give the car a center bore of 74.1mm, a change from the usual 72.56mm. This limits the selection of OEM wheels an E39 owner can use.

ECS Tuning is happy to offer a solution - everything you need to install E60 hubs on your E39 5-Series. This kit includes everything you need to complete this conversion.

This is a bolt on kit, no modification to the vehicle will be needed. The brakes will not have to be replaced, or the wheels if you have hub centric rings.

This Part Fits the Following Vehicles

Make Model Submodel Engine
BMW E39 525i M54 2.5L
BMW E39 528i M52 2.8L
BMW E39 530i M54 3.0L
BMW E39 540i M62 4.4L
BMW E39 M5 S62 5.0L
*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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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