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128i

Hello. If it has new tires and has never been in an accident then it may have an alignment issue, or it may have some drag on that side of the suspension. To check this, I usually get the vehicle...

Your car will test all the light circuits when you start the car and will let you know when there is a problem. Your low beam headlight is out (https://www.yourmechanic.com/services/headlight-is-not-working-inspection) due to a bad bulb and I would recommend replacing...

Hello. The TPMS sensor is located in the tire. It is installed directly in the wheel and includes the valve stem as part of the unit. Keep in mind however, that in order to access the TPMS sensor, the tire...

Hi there. In most cases, if this happened all of a sudden and went away after a moment, then it may just be low on oil (https://www.yourmechanic.com/services/oil-level-is-low-inspection) or it may need an oil change (https://www.yourmechanic.com/services/change-oil-and-filter). I would check the oil...

Hello. There are a few things that can cause this. If the smoke is white then you may have a blown head gasket. This is a common failure on this vehicle, especially if it has ever overheated. If the smoke...

Radial tires usually will hold some kind of air as long as the object that caused the puncture is left in the tire. If removed then yes, the tire will most certainly go flat right away. Radial tires can usually...

You may have a bad window switch or motor and regulator. You will need to have it tested for power to motor in the door. If it has power then replace motor.

Hi, thanks for writing in. Yes, the N52 engine is, generally speaking, a well-developed engine; less complex, and more maintenance-free engine than the newer turbocharged engines available in the 1-series. Make sure the Valvetronic gear (variable valve timing) has NO...

Hi there. If this noise changes as you accelerate and decelerate then most of the time it is caused by a failing pinion bearing in the rear differential. I usually start by checking the fluid (https://www.yourmechanic.com/services/differential-fluid-service-rear-axle-oil-service-) in it to see...

Hello. Just about anything is possible but it is unlikely. I have seen crank sensors (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-crankshaft-position-sensor) go bad and cause many issues, but if you are not having any other issues then I think that it is unlikely. If I...

Hello, One of the pleasures of driving a newer car is the comfortable steering. When it suddenly becomes too difficult to turn your wheel, that can be an alarming feeling! There are a few different possibilities as to why your...