BMW 328 (E36 E46) Hub Bearing

Description

There are basically two types of hub bearings, a Hub Bearing Assembly and a plain hub bearing. The hub bearing assembly consists of a hub, one piece bearing and a bearing housing. A plain hub bearing is just that a one piece bearing. Vehicles with anti lock brakes (ABS Brakes) may have the wheel speed sensor built into the hub bearing assembly. Hub bearings are found on the front and rear of most front wheel drive and on the front of some rear wheel drive vehicles.

Purpose

The BMW 328 (E36 E46) hub bearing supports the wheel assembly allowing it to rotate.

Maintenance Tips/Suggestions

Hub bearings and assemblies are permanently lubricated and require no maintenance. They should be checked for excessive play.

Failure symptoms

The most common symptom for BMW 328 (E36 E46) hub bearing failure is noise. This is a humming noise that changes pitch with the speed of the vehicle and may also come and go as you turn left or right. Unevenly worn tires and some road surfaces can cause similar noises.

WARNING

Ignoring these symptoms will cause catastrophic bearing failure disabling the vehicle and in some instances brake failure.

AKA

Hub assembly, hub bearing, hub bearing assembly

Location

Hub bearings are located on the front and rear of most front wheel drive and on the front of some rear wheel drive vehicles. The hub is where the tire and wheel assembly attaches to.

Disclaimer

Depending on the year and options your BMW 328 (E36 E46) has, the above information may not apply. Consult with a professional automotive technician or manufacturer for specifics on your BMW 328 (E36 E46)