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      04-22-2019, 09:52 PM   #1
rkl
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Engine Malfunction after DIY

Hi guys
hoping to get some pointers on what I should check.
I have had a issue with oil in the coolant expansion tank, with suspect oil cooler.
Yesterday I changed the Oil cooler, flushed coolant, changed expansion tank (old tank was too hard to clean and level sensor broken).
At the same time I changed oil and filter.

Looked fine, no leaks, all happy.
Went for a drive to get oil level reading, and after warming up, gave it a bit of throttle. Got the ding engine malfunction reduced power.
Car drives fine but feels like no more boost.

After a cold start no errors until I reached the motorway (3km) at which point i had to accelerate more, got the ding at 75kmph.

Have done a scan on INPA but engine error codes are in German.

So looking for ideas on what It could be, before I take into dealer.
Used a fully syn 5w/40 oil, could this do it?
Or oil cooler not tight enough?

Car is a 2012 x1 28i
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      04-24-2019, 08:57 PM   #2
Mr_Jack
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Did you pull off any charge air pipes? What are the code #'s?
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MPI DME Flash - K&N drop in - MPI Chargepipe - Oil T-stat valve - ETS 5" I/C - N54tuning 3.5" downpipe - catless mid section - Dinan 135i rear exhaust - Apex ARC8 18x9/10(255/295 tires) - H&R Sports - Bilstein B6's - F3x M Performance brakes
'02 E39 530i 624whp/558ft-lbs @23psi
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