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      08-08-2018, 01:21 PM   #8615
1and1
Loves me some MHD!
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Drives: faster than he should...
Join Date: Jul 2016
Location: Tally, FL

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'09 135i  [10.00]
By all means!
I suspect more than 90% of the folks here are changing engine oil at ~5,000 miles or so, which should be ~8,000KM's, give or take a few. With track days in there, earlier the better as well.

Best way to learn how long you can run between changes for your driving environment, and engine health, would be to send a sample for a UOA report (used oil analysis). In the states Blackstone Labs is probably the most popular, not sure who would be good over there...
blackstone-labs.com
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1and1
135i - E82.N54 2009 BSM - MHD / xHP / DCI, PR CP & 7.5" Race IC / N55 mid & Borla
. . WL RSFI, Koni, Eibach & Dinan CP's, M3 CA's / EBC Red's & Firehawk 500's
X1 - E84.N20 2013 MGM - JB4 - The Wife's, now with new turbo & ewg
Appreciate 0