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      08-22-2011, 10:23 AM   #15
Dackelone
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Drives: 135i Silber mit/Rot 6MT N54
Join Date: Feb 2010
Location: Bayern, Germany

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Quote:
Originally Posted by AW128i View Post
The N52 with the secondary cats is ULEV II-compliant. The N51 has lower compression, 3-stage intake manifold, secondary cats, and ozone-reducing radiator and is SULEV II-compliant. The N52 without the secondary cats is Bin 5-compliant (i.e., LEV II) and is only available outside CARB-compliant states, but I'm not sure if maybe some of those states offer the ULEV II N52 by choice/default, or how exactly it works.

Also.... I think all Military Car Sales (MCS) orders get the ULEV cars - incase a service memebr is from one of those states that require ULEV spec/cars.
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