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7 Series - E65 / E66 (2002 - 2008)
Discussion of BMW's 4th generation E65/E66 7 Series flagship. The E65 generated much controversy, due to its radical styling and iDrive user difficulties. Nonetheless, the E65 broke records to become the best-selling 7-series iteration ever, especially after its 2005 facelift.

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Old 11-18-2016, 07:30 PM
Lenny745li Lenny745li is offline
Registered User
Location: Mass
Join Date: Nov 2016
Posts: 1
Mein Auto: 05 745Li
E65 2A81 (inlet-VANOS bank2) PUZZLE

Hi guys,
Recently I got check engine light on my 05 745Li, INPA scan showed following errors:
- 2A81 Control inlet-VANOS bank2;
- P0020 - "B" Camshaft Position Actuator Circuit (Bank 2).
Issue appeared after changing oil pan gasket, and car runs ok, although feels a little bit sluggish.

So, after visiting mechanic #1 I was told that this is solenoid issue. Before buying a new one I swapped bank 2 / bank 1 intake solenoids - nothing changed.

mechanic #2 checked the wiring (solenoid connections) and told that they are ok, and to diagnose it more he needs to take off valve covers and run some tests with estimated price ~$1000 - just to run the tests with no guarantee that its gonna fix anything. This option wasn't accepted.

mechanic #3 said that the issue is IVM module, which I just bought and replaced, but it didn't help as well.

side notes: I also tried to swap camshaft actuators and put a new camshaft position sensor, but only one (didn't expect to have 2 on each head). The battery is new and registered.

So after doing some online research I'm coming back to version #2 - looks like its something wrong with solenoid wires. Going to take solenoid off and hook it up straight to battery and if it works, next step - will try to find a solenoid harness and replace it......???

Will appreciate any advice.
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