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      08-22-2014, 11:01 AM   #35
Fighter Pilot

Drives: with 3 pedals.
Join Date: Jan 2012
Location: Boston, MA

iTrader: (2)

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Originally Posted by Welterweight View Post
What is that code? I still want to do the Walnut Blasting as its just a smart move at 65k right?
Walnut blasting is definitely good. I've heard the best intervals are around 35-40k. It's definitely considered maintenance on these cars because of the direct injection, since fuel doesn't help clean the valves. I've heard the BMS OCC will help with some blowby / carbon, but not all.

2A87 Outlet-Vanos variable cam control test + 3100 boost-pressure control, deactivation

Basically, the VANOS sensors get clogged or dirty, if not fail, and need to be cleaned/replaced. Happens under WOT and it won't allow the turbos to spool until you restart the car.

Been happening more frequently at 77k. It's a quick fix but I haven't had the time yet. I've purchased new bolts and O-rings just in case I can get away with cleaning them.

Here's the DIY:

2007 E92 335i 6MT | Black Sapphire Metallic | BMS DCI | BMS Flash | M-Sport Front | Perf. Spoiler | 235/265 PSS