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BMW EPS rack knocking problem

Common fault: A metallic “clunk” or knock from the right hand side of the car when going over potholes or sunken manhole covers.  Problem affects BMW 3 Series F30, BMW 1 Series F20,  BMW X3 F25 and BMW 4 Series F32.

The cause is due to excessive movement between the internal gear components of the steering rack which requires a brand new replacement BMW steering rack or the existing steering rack repaired.

Unlike most steering racks these steering racks have an internal ECU with the vehicle’s specific VIN number and vehicle specific driving characteristics embedded in the ECU.  This means that either a brand new BMW steering rack needs to be fitted with the vehicles VIN and driving characteristics programmed into the “virgin” unit by a BMW main dealer or the actual steering rack from the vehicle needs to be repaired, with the VIN and driving characteristics retained, eliminating the need for programming.

Power Racks Direct offers a repair service for the mechanical components of these steering racks which eliminates the “clunk”/knock.  The electrical components of the steering rack are not touched so this service will not help if the steering system has fault codes or there are any steering warning lights on the dash.

Our repair service includes initially sending a box with the necessary packaging materials to securely pack the steering rack once it has been removed from your customer’s car. These steering racks are heavy with fragile plastic electrical connectors and if these are damaged the steering rack would no longer be serviceable. Sending the correct box adds a day to the repair process but experiences has shown that it is a price worth paying. Once you inform us that the steering rack is securely packed we will arrange for TNT to collect.  We would receive your steering rack in the morning of the following day; the repairs would be carried out that day and shipped back in the evening, with your customer’s steering rack returned on the third day.

Due to the safety critical nature of steering, Power Racks Direct only supply to the motor trade so this service is only offered to UK garages.  The repair is guaranteed under our standard 12 month, unlimited mileage warranty.

Flushing
System

Bleeding
System

Worn
Piston Ring

Heavy At
Low Revs

What Fluid
To Use?

Frothy
Fluid?

ESP Column
Guide

Morning
Sickness

Fluid
Level Low