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  1. E60 M5 and E61 M5 Touring Discussion
    Hello Everybody I'm new to this Forum & I wish that u will be responsive enough because I need your help urgently. I Bought my e60 M5 2006 8 month ago it has 70K miles on odometer & it's in good condition. My Car was completely Stock from A to Z. 2 month later I got a stage 1 tune on it &...
  2. E60 M5 and E61 M5 Touring Discussion
    Ok, so after getting bearing job and SMG maintenance finished, I finally got the car on the ground and got it started and up to temperature while monitoring coolant temperature. Everything looks good in terms of coolant and oil temperature under high load and at idle. However, during the middle...
  3. E39 M5 and E52 Z8 Discussion
    Last Friday I decided to take our new to us 2010 X5M and my 2000 M5 to Pompeii Motorsports here in Greenville SC to do some dyno pulls. The X5M is bone stock and has about 32,000 miles on it. The M5 has about 166,000 miles on it and as far as engine performance mods go it has a dinan CAI...
  4. E39 M5 and E52 Z8 Discussion
    So I hit a new-to-me problem with my M5 today. 2-3 months ago, the car started misfiring on the highway. Pulled the codes and got the standard misfire codes for a specific cylinder. Replaced the plugs and the coil on that cylinder (82K miles). The car has been fine since -- I did the thermostat...
  5. E39 M5 and E52 Z8 Discussion
    So my car has been acting weird lately, ever since I put my snow tires on. I thought it was just the tire break-in period for a while, but now I'm not so sure. When accelerating hard in a straight line, from say 20mph or so, the car will kinda hesitate, flash the DSC light, and start...
  6. E39 M5 and E52 Z8 Discussion
    I know this isn't a good question but I wanted to know anyway since its hot as hell down here in houston. What is the best temperature for a 2000 BMW M5 to perform at its best? When I first got the car back in October of 2007, it seemed like it would pull hard, I could do 140 in 4th gear, and it...
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