Upgrade of E53 2004 4.4 to 4.8IS project

[tmv]

Originally Posted by eyeiieye

Exterior
Rear & front pumpers Direct swap
20” rims Direct swap
Exhaust system Easy
Side steps Easy
Tire pressure monitoring I wouldn't. It's NOT easy. You have to mess with coding. Not worth it.

Interior
Heated Sports seat Not sure. You might have to sliced some wires if not replacing module
NAV
DSP Don't bother. Upgrade with aftermarket amp is better. I suspect you have to stick with it if you swap the NAV system
Instrument cluster I replied to your thread on this
Middle mirror with alarm
Telephone eject box

Any other items you would recommended to be upgraded in the 4.4 (engine is not possible)

Your usual support and cooperation is highly appreciated.

- "Shadowline" window trim
- Interior trim
- Clear side markers
- Anthracite headliner and pillar covers