I have the following F10 535 parts for sale:
1) K&N Drop In Filter: used 3 months (N55 Engine)
2) Custom catless downpipe with flanges for PERFECT fitment (N55 engine F10 535's).
Awesome mod - makes N55 engine come alive and deepens exhaust note. Great mod, over $800 invested in this part, make an offer and its yours!
more parts here:
http://www.xbimmers.com/forums/showthread.php?t=801413
PM is best - thanks!