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      12-03-2012, 01:15 PM   #6
xlid007
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Drives: 2007 BMW 335i
Join Date: Nov 2012
Location: Miami, FL

Posts: 32
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Quote:
Originally Posted by BoostedE90 View Post
Because the N54 is direct injection carbon build up is inevitable. I think it is fair to consider valve cleaning a standard maintenance item with this engine. Unfortunately chemical cleaning is not going to do much for your valves at 88k. A physical cleaning (walnut shell blasting or wire brush scrubbing) is the only way to remove the carbon build up. I am not familair with the BG products but from what I found when searching they are chemical products. At 88k I'd be really surprised that a chemical cleaning would remove the carbon build up. There is a member in Coral Springs that is doing walnut shell blasting for $300... http://www.e90post.com/forums/showthread.php?t=769892

Also $100 for an oil change seems a bit steep. With a coupon the dealer here in Tampa (Reeves) does it for $89.95. If DIY and you purchase the filter and oil from the dealer it is around $60.
I sent him a PM and havent heard back from him yet. All the shops i've asked around here in Miami charge $100 for the oil change. Braman BMW quoted me $170 for the oil change. Plus i want to take my car to a reputable BMW shop and I saw the pics of their facility at Eurowerks and it's spotless so I'll let you guys know how my experience is since I have the appt this Saturday. I'm going to wait for the other memeber to get back to me on the walnut cleaning.
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