MapNerd
Navigation and coding enthusiast
BMW i4 M50 - can you tune an electric car?
The i4 M50 already makes 544hp which is plenty. The real tuning potential for EVs is in the software - things like launch control optimization, torque vectoring adjustments, and on...
5 months ago
iX xDrive50 - real world range in winter
I get about 350-400km in Lithuanian winter (-5 to -15C). The biggest drain is cabin heating. I always pre-condition while plugged in - this makes a huge difference, saves about 10-...
5 months ago
iDrive screen upgrade - 6.5" to 8.8" NBT EVO retrofit
Brake fluid should be changed every 2 years. Its hygroscopic - it absorbs moisture over time which lowers the boiling point. This can cause brake fade under hard braking.
6 months ago
ZF 8HP TCU tune - faster shifts and launch control
Launch control with TCU tune is addictive. My wife hates it but I cant stop doing launches at every traffic light lol
6 months ago
BMW iDrive retrofit guide — CCC to CIC to NBT to NBT EVO upgrade path
Did the CIC to NBT EVO retrofit on my E90 325i last month. The difference is night and day — the CIC felt like using a phone from 2010. The NBT EVO with Apple CarPlay has completel...
6 months ago
Bio
Navigation and coding enthusiast
Member since
Mar 11, 2026
Role
member