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      12-03-2012, 11:14 AM   #32
New BMW Owner
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Drives: 2011 BMW 335i (e90) Black/Tan
Join Date: Oct 2011
Location: Dallas, TX

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Originally Posted by Dark_Knight_335 View Post
Waste gate? At 9700 miles?
Definitely sounds like wastegate rattle to me. I've listened to a lot of videos in search of a solution for my problem, and every wastegate rattle video sounds like what you are hearing/showing us. Give this link a look:

You'll see that just on alone there are a lot of issues with wastegate rattle in the N55 engine, and the N54 for that matter, and there was one or two accounts where the rattle started under 5k miles.

If your dealer is worth their salt, you _SHOULD_ be able to go in and tell them that your wastegate is rattling and you think it needs tightened or replaced and they should do it no questions asked. Also, Dinan is a BMW approved so you shouldn't have any issues with them yanking ya around on warranty work.
2011 E90 335i LCI // Jet Black / Beige Dakota Leather / Double-VANOS/ Premium / Sport
Mods // Cobb Stage 2+ Aggressive / ER Charge Pipe / AR 4" Down Pipe / AA FMIC / LUX H8 v3 Angel Eyes / HPB Interior LEDs / Wavetrac LSD
Other // Shell Rotella T6 5w40 / 18" APEX EC-7 Wheels (9" Front|9.5" Rear)