I'm at 40K miles and I just did an oil change about 3 weeks ago. It amazes me how expensive it is even for a DIY. At least its fairly simple and easy to do. Only bitch is I can't get the stupid service light to go out. Guess I gotta go to the stealership to get it turned off.
E92 '08 335Xi 6AT - Cobb AP3 Tuned by MAC Autosport, Original Prototype Xi DOCRace 6266 Single Turbo Swap, VRSF CP w/Synapse BOV, VRSF 7" FMIC, BMS Cowl, H&R Coilovers, Renn Motorsport RS-51's, Stoptech Stage 2 Slotted, xHP Stage 3, Earl's Racing Oil Cooler, Turner Boost Gauge, M3 Lip Spoiler.
Standing Mile Record Holder for Xi over a mile high: 168.2MPH @ 5512'; The Colorado Mile hosted by The US Mile.