General information about wheels and tires BMW series cars «x5» with an E53 body, depending on the model and version, they have tires and wheels of various designs and models (see below). They are...
Wheel disc — design description The wheel disk has a designation, it is important to decipher it correctly, the marking 7.5 J x 17 H 2 reads: 7.5 - rim width in inches; J - letter designation...
Tire — design description The tire has its own marking, when choosing tires it is important to decipher it correctly (pic. 15.2). So the marking P 225/55 R 18 96 V M + S reads: P - car...
Snow chains and spare wheel Install snow chains only on the drive wheels. Before mounting the chains, the wheel trims must be removed. The speed of movement, in this case, is limited to...
Tire wear — general information Increased wear on the tires of the wheels, especially the tread shoulders, is normal. This is especially clear for the left wheel - from the outside, for the...
Checking the lateral and radial runout of the wheels Checking the lateral and radial runout of the wheels must be carried out in the following order. Check wheel bearings, they should be good. Prepare fixture...
Replacing a punctured wheel In order to avoid imbalance of the wheel, its replacement must be carried out in the following order. Loosen the wheel mounting bolts. Using a portable or...
Disc runout check Checking the lateral and radial runout of the rim on the balancing stand must be carried out in the following order. Remove the tire from the rim on a special...
Tightening torques for wheel joints Wheel bolt - 140±10 Nm. Wheel cap to the rim, lubricate the bolts with a composition of type «Loctite 243 blau» - 9.0 Nm. Valve to disc wheel (system «RDC») -...
Tire Fault Diagnosis Tire Fault Diagnosis Wear Cause Heavier tire wear on both sides of the tread tread Too low air pressure in inflated tires Heavier tire wear in the middle of...