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      12-12-2012, 12:14 PM   #39
ronny214
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Drives: 2011 BMW 335i (e90) Black/Tan
Join Date: Oct 2011
Location: Dallas, TX

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Update:

Just heard from BMW. An Engineer Specialist was in the shop and they had him take a look at my car. Turns out that the Transmission is making a noise that is echoing up the engine and giving the illusion of rod knock. I pick the car up today and they call me to bring it back in a few weeks.

The part is custom ordered from Germany and shipped over. They'll drop the tranny and install the part. From what it sounds like the part is just a dampener because there is actually nothing wrong with the tranny, there is just something that is knocking. :-/

They also identified some other minor issues, like coolant leaking from the reserve take for example, that they have addressed already.

He said that they can't be 100% sure until the part is installed and they listen for the noise again, but he said that off the record he is 100% sure that this will solve the issues. So for now we will all assume that we found the issue and I'll re-bump this thread in a few weeks if it turns out to be something different!
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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)