Uneven tyre wear. Grooves are worn to raised edge, giving a stepped & uneven tyre. Only done 5000km.Pressures are often checked. Regards, Peter. Ps Its a 2005 model.

Uneven tyre wear is caused by either worn bushes or incorrect tracking.

It sounds as though your car is 'toe in' and needs the wheels tracking - aligning. Take it to a tyre fitting bay - it doesn't cost much to have it checked/rectified.

check the easy things first, air filter clean and no restriction on air getting to it,temperature staying normal on a run once warmed up(gauge dropping cold when driving indicates a thermostat stuck open),tyre pressures correct, alignment correct(see tyre edge wear to determine if out),no brake drag-wheels jacked off the ground should spin easily(auto trans in neutral-engine off-safely braced),sparkplugs worn or gap incorrect/ wrong grade, oxygen sensor faulty(will need to be checked by tech with a data reader), oil way past service due, timing out, if engine on carburettor(should be injected though)choke stuck closed. Just work through the easy steps first as they can all add up to fuel excess

Three common faults here are;
1) Steering alignment - if the front tyres are wearing on the insides then the wheels are facing toe-out. If on the outsides then they're toe-in. The only way to really get them aligned properly is by laser light at a garage. Cause can be altered ride height, mounting a kerb badly, wear in suspension.
2) Worn part in the suspension system, most likely a suspension arm bush or ball joint has deteriorated, uneven and/or premature tyre wear suggests this is more likely the cause.
3) Uneven tyre pressures or sizes. If a tyre is down on pressure or one wheel is oddly sized then you can get a diagonal pivot effect accross the car's chassis, causing it to pull to one side.This effect can also happen due to a broken suspension coil/leaf spring for the same reason.

hi,general rule of thumb for most big road bikes is 34psi rear and 32psi front,generally if pressures are to low the outside edges will wear and it will handle like an old horse and cart,if the pressures are to high,the centres of the tyres will wear really bad,and it will feel very skittery on the road due to the low contact area...hope this helps...cheers ian

If they are all terain or off road tyre's then it's normal if it has road tyre's then it would be best to get it checked wheel bearings and brakes.

Idoubt your fork fluid levels have anything to do with uneven tyre wear,depending on where you live dictates how your tyre wears,if you live in uk then you tend to turn right more than left therefore wearing the tyre more on the right and reverse this for anywhere they drive on the wrong side of the road.tyre pressures are important... to check the fork fluid level you need to drain the oil into a measuring jug,compare result to manufacturers recommendation.if you are not mechanically competent do not attemt this as you may get hurt as the fork internals are under load from a spring

Brad

1. It's hard to say without looking at the vehicle (and test driving it) but more than likely the front end is badly out of alignment. ( If the car has been in a significant front end accident and badly repaired then this could also be a source of the problem as the alignment may not be capable of being properly set).

2. The first thing to do is take the car to a specialist suspension and steering shop and have the wheel alignment checked and adjusted to factory specs. Normally this is not expensive for a straight forward alignment but price depends on the shop. A good suspension shop will also identify if there are any wear problems with the steering or suspension that need attention

3. Older drivers sometimes frequently hit kerbs when parking their cars. This will throw out the front wheel alignment every time (and damage tyres) so it must always be avoided. Scrubbed.scuffed tyre side walls are an indication of this as well as scratched wheel rim edges.

4. Some drivers never check tyre pressures. Low tyre pressures will cause much greater tyre wear as there is more friction. (It will also make steering heavier, place undue stress on the steering components, cause the car to handle badly and result in much higher fuel consumption).
The lady needs to ensure her car has at least 32 lbs pressure in both front tyres and at least 30lbs in the rear (which carries less weight). The pressures must be set with COLD tyres. Manufacturer optimum spec tyre pressures are usually set for comfort. These can be safely exceeded by a few pounds. It is far safer (and more economical) to run slightly higher pressures than a setting that is too low. (A good tyre will run all day with 38-40 pounds pressure and 36-38 is quite safe).

5. Worn out shock absorbers will also contribute to abnormal tyre wear. 70000 miles of average driving will see out a set of shocks. (Personally I would not leave them that long as the factory shocks are generally of average quality on this type of car)..

That's the best I can do Brad without seeing the car so I hope this helps some. Hopefully a good wheel alignment will fix the problem but make sure the tyre pressures are kept up as well. If the shocks are worn out they will also need to be replaced if the car is to be roadworthy.

Cheers Sean

Ball joints, idler arm, pitman arm and tie rod ends are all problems with these vehicles. If any of these parts are worn it can cause your problem and it cannot be properly aligned until the parts are replaced..

Uneven tyre wear can only really be caused by either worn suspension or steering components, or wheel alignment angles incorrect. The best way to check this out is to get a wheel alignment carried out by a reputable specialist, as they will (or certainly should) go over your suspension and steering first to make sure there are no faults before they reset the wheel alignment. The other thing to note is that if the uneven tyre wear is bad enough the wheel alignment won't fix the wear problem, just slow it down.
The shimmy could be caused by a couple of things (driveshaft out of balance, tyre fault, wheel balance) but the best thing to do initially is get the wheels balanced first and see if that fixes the problem, and then go from there.
The same company should be able to both the alignment and balance, and these jobs should both be done periodically (at least whenever you replace tyres) to improve tyre life and make the vehicle easier and nicer to drive.

Hope this helps,
Mark.

the tires,check if theyre worn out,make sure you check the inside edgea,if they're wearing unevenly,replace them and get an alignment from someone you trust,make sure the caster/camber and toe are in spec.-toe and camber are tire wearing angles-camber the most-if the inside or outside edges are worn more,or when you drive and let go of the steering wheel,it tilts to one side,camber problem,make sure tires are inflated correctly,about 32-36 psi,check ur gas flap for bmw recommended pressures-u should be safe with what i gave you-so yeah,check tire pressures and wear-if tires feathered,too much toe in or out-this should take care of your problem,good luck