When I start my car in the morning I notice a puttering sound from the front. It sounds like it comes from the exhaust manifold or maybe where the front of the cat bolts on. HAs anyone had similar problems on a 01 x5 4.4? If anyone knows how to access this area please let me know. I was thinking I might have to take off the the inner wheel well plastic cover?

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2001 X5 4.4i WHITE-Loaded like a baby's diaper SOLD