I had my 196,000ml n54 335i 08 in the shop because the battery wasn’t charging after I had it replaced. It would come up with a red logo saying that the car was not being charged by the alternator and using the juice of the battery. The alternator is fine but isn’t stagnant it shifts between 13.6-14.7v. I had just gotten my car back today and it hasn’t came back, but When I cold start my car the rpms fluctuate like crazy going from 0-1900 rpms and back down and after about 5 minutes it levels itself back out. Engine malfunction pops up, it would normally show up when i tried to build boost but now it shows up with little boost and acceleration. I’m not sure if my boost leak has any connections to it. As far as I know I have a leak at the outlet coupling and front turbo inlet. Not sure if those are the only boost leak problems yet and if it’s connected to what’s going on. I replaced the water pump due to recall. Brand new injectors and coild. I’m thinking hpfp and lpfp with the codes that pops up, maybe even the vanos solinoids
On my cluster I have the yellow lack of power triangle stay on. Along with the service light that’s been on
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