I agree wholeheartedly with upallnight on his advice about watching a youtube video. I've taught myself 90% of what I know about working on a BMW from watching videos on youtube.

As for recommendations for brake parts, I also agree with ard, who said that OE or OEM brake parts are a waste of money. On 2 of the 3 BMWs that I have owned (E46 and E53) I have used Duralast brake pads from AutoZone to do brake jobs, and I haven't owned my E70 for long enough to have needed to do a brake job. Duralast brake pads come with a lifetime warranty as long as you don't wear them down to the backing plate. If they wear out, you can bring them back in and AutoZone will replace them free of charge as long as you own your vehicle. Anyway, the Duralast parts are good and cheap, and will do a great job of stopping your car.

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2007 BMW X5 4.8i - Sport Package, Wife's Car

2001 BMW 325i - My Car.

2005 Ford Excursion Limited 4x4, 6.0 Powerstroke Diesel. My first "grown up" car.