BMW 320d E90 LCI (2008) Glow plug/EGR error message?

Hello everyone, Is there anyone here who can help me with the following error codes? 4AGE DDE: Glow plug cylinder 1, control AASE DDE: Glow plug cylinder 2, control 4A34 DDE: Glow plug cylinder 4, control 4CAE DDE: Exhaust gas recirculation position sensor, signal 4C9E DDE: Exhaust gas recirculation valve, plausibility 4D03 DDE: Exhaust back…

E92 tuning?

Hello, I currently drive a 2008 BMW E92 320i and wanted to ask what's legally allowed regarding exhaust sound and chip tuning. I know that you need an E-mark or a vehicle type approval (ABE) to get it registered, but what would you recommend? I'm also wondering how much a different exhaust would change the…

BMW E90 jukebox partially fails on the right side?

Hello, I have a BMW E90, and for some time now, the right side of the speakers has been failing more and more frequently while driving, and then makes a hissing noise. Sometimes they might work briefly, but then immediately stop working again and start cracking. Usually, restarting the car helps, and then all the…