(NON Turbo, WITH Variable Valve Timing) 2007 Mini Cooper

Hey guys! So here is what I got and excuse my poor forum skills, new here!

I have a 2007 Mini Cooper with 73,000k. The timing chain tensioner failed and caused the timing to become so far out of wack that it wouldn't start, this is where how purchased the car.
I understand that the valves may be toast but we replaced the timing chain kit with the tensioner and it started right up! The car runs and drives great with no hesitation or stumble what so ever.

Here's are issue:
p0015 & p0017 keep popping up after driving for a few min.
Also we notice upon start up that the RPMs come up for a split second and drop back down. (150-250rpm)

Here's what we replaced:
Full timing kit with Tensioner
We have swapped the Cam position sensors
Replaced Exhaust Side Camshaft Adjuster
Replaced Exhaust Side Vanos.

We are stuck and honestly have nothing left. Maybe someone on here has had a similar situation or might have a idea that we simply are not thinking of?
Thanks a million

 

P0015 - "B" Camshaft Position - Timing Over-Retarded (Bank 1) - More here.

Could be related to timing or VANOS. We have a timing chain and guide DIY here. Take a peak at it and make sure you followed the guideline correctly when you did the install. Also, have a VANOS one here.

That being said, it could also be as simple as a camshaft position sensor that has gone bad. P0017 is Camshaft Position Sensor Correlation (Bank 1 Sensor 'B'). This person here had the issue and they replaced the sensor, which resolved their P0015 code. We have a Camshaft Sensor Testing DIY here and if needed a Camshaft Sensor Replacing DIY here. Sensor here if needed. Good luck and let me know if you have any questions!