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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > New BMW 335D maintenance ?s

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      01-13-2021, 04:27 PM   #1
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Drives: 2011 BMW 335D E90
Join Date: Jan 2021
Location: New Jersey

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New BMW 335D maintenance ?s

Hello everyone,

I just purchased a used 335D with 27k miles on it. All of the service history looks great on the vehicle. The car was modified prior to my ownership and I want to verify what mods it has and how to maintain the car properly.

1. Gutted OEM exhaust
2. DPF delete
3. RENNTech tune I believe
4. KW Coilovers - 353 20 217 - trying to figure out which version they are

A few issues I've noticed:
1. Blue smoke during a cold start - most likely from DPF delete and that it was a cold start on a cold day, 38 degrees. Here's a video of it:

2. I also noticed that when in sport mode, I can only use the paddle shifter for downshifting, the up shift paddle feels stuck. Could it just be the paddle needs to be replaced? Any input is greatly appreciated.

I will update this thread as I drive the car more and see/find any other issues.

Thanks everyone!
Appreciate 0


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