E46: Ridges on wing mirrors

Q: Why do the wing mirrors on the E46 have ridges?

A: The wing mirrors have ridges on top to help reduce wind noise at high speed.

BMW warning light meanings

Q: BMW E46: What do the warning lights mean on the dash?

Battery Charge Indicator
This means the battery is not being
charged. Check the alternator, V Belts and charging circuit

Engine Oil Pressure
If this light comes on red stop your engine straight away! Top up the oil if it is low. If it is correct then take to your nearest garage to get it checked out.
When you turn your car off, if the light comes on amber then it means the oil is running low, ensure you check the level of oil. If correct it could be a faulty oil level sensor.

Tyre Pressure Control
This light will come on with an audio signal too. It indicated a drop in pressure on one of the tyres. Avoid hard braking and pull over at the soonest opportunity.

Brake Indicator
If this light coms on when driving, stop straight away (in a safe place) and check the brake fluid levels. Avoid hard braking situations. If the levels are ok take your car to the closest garage.

E9X dash cam how to

This is a brief how to on installing the E9X dash cam from amazon

Content of the box E9X Dash cam below:

Step 1: Remove light and control panel:

Step 2: It's worth removing the sun visor clip holder to lower the head lining a bit for access:

Step 3: Connect the new cable to the existing cables connector, and plug in the end to the light/control unit 
This will leave the cable and connector which goes in the dash cam unit.

Step 4: I'd advise testing the dash cam powers on etc before the next steps of removing the unit that houses the rain/light sensor!

Step 5: Remove the surround from the light/rain sensor

Step 6: I pulled the cables through to ensure they all went through the rubber grommet WARNING this bit IS annoying and takes time and patience

Step 7: Refit the control/light unit

Step 8: Fully installed E9X dash cam It then a case of carefully clipping in the connector to the dash cam and fit it in place of the old surround. GO CAREFUL as the clips are fragile and the cables can get in the way too:

Step 9: Once connected you just need to download the software and insert and SD card:

Shot of software:

Note:
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