BMW 3 series E46

Since 1998 of release

Repair and car operation

Measurement of a thickness of a brake disk

CHECK

1 Mark a paint position of wheels concerning a nave. It will allow to establish balanced a wheel in the former position. Loosen the bolts of fastening of a wheel on the car standing on the earth. Lift a forward part of the car, establish it on supports and remove wheels.

It is necessary to measure a thickness of a brake disk in the most thin place.

2 Measure a thickness of a disk. HUNDRED apply for this purpose special calibre or a micrometer as in the course of deterioration of a disk the fillet is formed. It is possible to measure a thickness of a disk by means of a usual calliper. For this purpose it is necessary to put on each party of a disk a lining of a certain thickness (for example, two coins). Then from the value received as a result of measurement it is necessary to subtract a thickness of two coins. Attention: measurement is necessary for making in several points.

3 Sizes of a brake disk are resulted in Specifications.
4 If the received thickness less than is minimum established value, it is necessary to replace a brake disk, address to corresponding section.
5 If brake disks have been pierced till their minimum thickness, it is possible to establish once again the complete set brake Pad.
6 In the presence of cracks or задиров it is necessary to replace brake disks.
7 Establish to the place of a wheel so that the marks put at removal have coincided. Preliminary grease with a thin layer bearing greasings aligning belt of a disk of a wheel on a nave. Bolts of fastening of a wheel do not grease. Rusty bolts replace. Wrap bolts. Lower the car on wheels and tighten bolts cross-wise the moment 100 Nm.