Synthetic again

["Adams, Daniel" <adamsd@mmsmtp.ColumbiaSC.NCR.COM>]

With the recent discussion of synthetic oil, I will pass along details of   
an article I read last night in Roundel (BMWs Car Club magazine).

The article was sourced from a study that Mobil did on a 1990 BMW 325is.   
 They ran the car day and night 25% at 55mph and 75% at 80mph.  This was   
done for 4 years and at 1 million miles they tore down the engine.  They   
found one bearing and one cylinder that showed some wear but no other   
wear.  They reassembled the engine and take it to Mobil sales, etc. shows   
now.

They ran Mobil premium gas and used Mobil 5w-30 Synthetic.  They recapped   
the few items that broke on the car (water pump, auto transmission and   
few other items).  They followed the manufactures recommended maintenance   
(7500 oil change interval, on my previous 1989 325is).

I know the Anti-synth crowd will be skeptical of a study done by the oil   
maker, but I haven't heard of any non-synth studies.

regards,
Daniel Adams

93 - 90CS (Mobil 1) - mine
95 - C280 (Mobil 1) - boss, err wife's car
89 - Nissan Pickup (Mobil non-synth)  

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