Quote:
Originally Posted by Ricky Bobby
CBU is very rarely seen in the prevalence on the X5D's like it is on the 335D's, something I learned after research, as I was concerned as well - its because the X5's have an additional low pressure EGR, for some reason it doesnt get built up like the sedans with a HP EGR only. I talked to a couple guys recently and one had very minimal buildup in his intake manifold, head looked good, he was at 140k miles. However, some guys with the sedans if leaving the emissions equipment in place report needing full cleaning and walnut blasting of CBU as much as every 40-50k.
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Oh, had recently seen this post, and got worried..
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~Scott
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Black Sapphire Metallic/Sand Beige '13 E70 35d, SP, NAV, Tech, Comfort Access/Seats
20" Style 214's Wrapped in Continental DWS06 Extreme Contacts
(SOLD) Alpine White/Sand Beige '06 E53 3.0, SP, PP, CC, RC, NAV, Sat Radio
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