Synthetic oil vs regular.....mistake
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Joined: May 2006
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From: Miami, Florida
I think that your car will be fine as the synthetic takes over again (did they ever turn the engine on?), but the residual will unfortunately stick around for the life of the car.
That being said, what were they thinking?
I guess you live in a more rural area where they do not see to many 5-series.
That being said, what were they thinking?
I guess you live in a more rural area where they do not see to many 5-series.
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Joined: Mar 2008
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Originally Posted by BarryNH' post='554354' date='Apr 1 2008, 04:55 PM
Local shop changed oil (used regular vs synthetic). Put synthetic back in but wondered how bad it is to mix oils?? THanks
05 525i
05 525i
- if you did a full drain and put in synth then you are fine.
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Joined: Feb 2008
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From: New Hampshire
My Ride: 2005 525i (plain and simple)
Originally Posted by monacobmw' post='554395' date='Apr 1 2008, 05:55 PM
I think that your car will be fine as the synthetic takes over again (did they ever turn the engine on?), but the residual will unfortunately stick around for the life of the car.
That being said, what were they thinking?
I guess you live in a more rural area where they do not see to many 5-series.
That being said, what were they thinking?
I guess you live in a more rural area where they do not see to many 5-series.
My wife went for an inspection sticker and they suggested the oil change....gotta watch the "up sell" at the garages. Your right, not too many 5-series. Thanks for the feedback.
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From: Houston, TX
My Ride: 2008 550i, Jet Black, Natural Brown Leather, Dark Wood Trim, 6 sd MT, Sports Pkg., Comfort Access, Sunshades, Cold Weather Pkg., iPod & USB, Nav, Satellite Radio w/Logic7.
Originally Posted by BarryNH' post='554354' date='Apr 1 2008, 03:55 PM
Local shop changed oil (used regular vs synthetic). Put synthetic back in but wondered how bad it is to mix oils?? THanks
05 525i
05 525i
You could always get it flushed out as well.
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Joined: Oct 2005
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From: Carlsbad, California
My Ride: 2007 BMW 550i Sport Pkg, 6MT
Originally Posted by BarryNH' post='554354' date='Apr 1 2008, 01:55 PM
Local shop changed oil (used regular vs synthetic). Put synthetic back in but wondered how bad it is to mix oils?? THanks
05 525i
05 525i
It's perfectly ok.
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