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  1. 7 Series - F01 / F02 / F03 / F04 (2008 - 2015)
    Hello, I would like to know the opinion of the experts. Please, I recently changed the gearbox for a 2011 740li, and after that. a sound appeared in the engine. It started to gradually get louder. It's N54 aluminum engine, after disassembling it, turned out to be very dirty from inside and...
  2. Site Sponsors & Bimmerfest Group Buys
    First be sure which product do you use, engine flush is important for the engine and I recommend with every other oil change do engine flush but you have to use a good brand, I recommend a German Made bran MotorPower Care, it's certified by TUV in Germany you can buy it directly at MPCare.com...
  3. General BMW Questions
    By just replacing oil you are leaving deposits in the engine and by time this will cause a sludge. Carbon and sludge get between the piston rings and frame the rings from freely movement that means the compression starts to dropping down vehicle gas millage will drop down and the oil circulation...
  4. X5 E53 (1999 - 2006)
    Hey guys , I Recently picked up a 2005 X5 for basically nothing ... although it did have a hydrolocked engine. To make a long story short, the PO mechanic told him the engine was finished after his CCV had failed on him and hydrolocked. My intentions were to either rebuild or complete swap...
  5. E60 / E61 (2004 - 2010)
    I have a 04 BMW 525i and the oil hasn't been changed since 14k. Took it to a shop and they told me that my Vanos was very sticking/ratchety. They told me that I would need a Engine Oil Flush w/Amsoil Engine Cleaner and BG fuel system cleaner also a oil/filter/synthetic lube change for $200 but I...
  6. E60 / E61 (2004 - 2010)
    I have a 04 BMW 525i and the oil hasn't been changed since 14k. Took it to a shop and they told me that my Vanos was very sticking/ratchety. They told me that I would need a Engine Oil Flush w/Amsoil Engine Cleaner and BG fuel system cleaner also a oil/filter/synthetic lube change for $200 but I...
  7. X5 E70 (2007 - 2013)
    Hello All, I bought a 2008 X5 3.0si (120,000 miles) for my wife a few months ago, she loves the car and we got a good deal on it. The guy said it needed an oil change and I could see it was leaking from the valve cover gasket. Had the pre purchase inspection done and everything checked out...
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