BMW Repair Questions? Ask a Mechanic for Answers ASAP
Thank you for using JA. I'm Baz, one of the automotive experts, I try to be available in the afternoon on weekdays and in the evenings on the weekend. I apologise if I do not respond to your question promptly, I can assure you that I will respond as soon as I can. Thank you
Have you checked the coolant level? Have you lost any coolant?
I understand. Did the coolant level drop though?
Also, check your oil level.
Did the smoke have any smell to it? or was it more like steam?
You can do phone call service if you want.
Have you checked the oil filler cap for white residue?
Ok, that's fine.
Causes of white smoke are blown head gasket, turbo oil seals (that could explain the drop in oil level), cracked engine block, crankcase ventilation valve issue.
Did the engine overheat on the temp gauge?
Was there any oil coming out of the filler cap?
This issue could be something as simple as a blocked crankcase breather valve or a major fault as I listed earlier, it needs investigating or return the car if you have legal standing.
The CCV issue is quite common on the 1 series. Cars in auctions always have hidden faults, that's why they're usually there, i've had plenty of experience.
Hope this helps
Happy to help. All the best and hope you get it sorted.
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