I have the same problem with my 2009 328i i have the n51 sulev and it goes away after the engine warms up. It's been happening ever since i got the car and it hasn't caused any problems so far
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2009 Alpine White E92 N51 328i Automagic | Premium & Sport Pkg. | Coral Red/Black Dakota Leather Interior | M-Spor | BMW Performance Exhaust | Active Autowerke Headers | BBS CH-R | CPS Front Lip | Performance Front Grills | 888Concepts Custom Headlights (GONE)
2011 Alpine White E90 N55 335i Automagic
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