BMW 1 Series E81, E82, E87 and E88 (2004–2013) — common faults, maintenance guides and repair tips.
One typical cause is a badly corroded ground cable under the engine. A corroded or broken battery cable in the boot (trunk) pass-through can also prev...
The cause can be faulty exhaust pressure sensors and a clogged passage in the particulate filter. New pressure sensors and a forced regeneration (a cl...
The most common cause is a rusted and swollen ABS ring, a toothed ring on the driveshaft hub. It rubs against the wheel speed sensor, and the system r...
The N43 engine has an electric water pump and an electrically heated thermostat. 2E84 means the water pump cannot be reached. 2EF5 and P0597 point to ...
Yes, especially in the 116i and 118i petrol engines and the N47 diesels. The chain tensioner and the plastic chain guides wear or fail. Older 116i car...
The most common cause is loose control arm joints or softened bushings. A warped brake disc also causes vibration that gets stronger as speed increase...
A common cause is a worn or torn propshaft support rubber or bearing. The vibration is felt especially under hard acceleration and engine braking. Oth...
Not necessarily. The shudder can come from the material properties of the dual-mass flywheel and the clutch pack, even if the clutch has been inspecte...
Cleaning the injectors does not necessarily fix the fault permanently. One possible cause is the sensor on the low-pressure side of the fuel system, w...
The injector cannot be reconditioned; a new or good used injector is fitted instead. The new injector must be coded to the car with diagnostic softwar...
Common causes are the ignition coils, which are a known weak point on this engine, and an intake leak. The timing end can also be the cause, and the p...
A misfire is most often caused by an ignition coil, next by a spark plug and less often by the injectors or the lambda sensor. A new coil has cured th...
The creaking is usually caused by the door seals. If the noise stops when you open the window a few millimetres, the fault is in the seal. Rub the sea...
The idle can be uneven or shaky and consumption slightly increased. The warning light may come on and go off by itself. The sensor tip can become soot...
The oil must be BMW LL-04 approved. For example, a 5W-40 oil that meets the ACEA C3 and LL-04 requirements is suitable for the 120d. A diesel with a p...
Usually the lock mechanism is sticky or frozen and nothing is broken. Warming the car in a garage or warming the tailgate with a blower helps. The loc...
Usually the rear window nozzle is blocked. Disconnect the hose at the tailgate and blow compressed air from the outside in, so the debris comes out of...
1. Close the window completely without the auto function by holding the button down. 2. Open the window completely. 3. Close it with the auto function...
Coil failure is common on the 1 Series. Replacing one coil is usually not enough, because the old coils easily fail soon after. Therefore it is worth ...
The cause can be a bulb with too low a wattage. The light module interprets it as a short circuit and cuts the power to the light. Use the correct bul...