Is your 4.6is under warranty? How many miles are on it?

Have the dealer look at the fan clutch, power steering pump, and engine pulleys as possible sources of the engine whine.

Also have the dealer do a thorough inspection of your suspension and steering. If worn parts need replacement, you can have it done elsewhere at a lower price than BMW's normal labor rates.

See the Nav system FAQ (article #1) for complete information on updating your system and also the Nav Forum for the DIY's.

The resonator delete will add some sound, but if you want maximum percussion, get an aftermarket exhaust system (Eisenhaus, BB, Remus, Supersprint). Sound clips and DIY are on the front page and also do a message search.

Yes, that's the oil filter in the cylindrical container behind the left front headlight. Easiest oil change ever.

Chrome polish will remove the residue from your exhaust tips. Make sure it's non-abrasive. Wax will probably do it if its not heavily baked on.

Have fun with your 4.6is!