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  1. #1
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    Yes | No

    Craig in Canada, I'd like your opinion in this

    comparision. You like it or not, you're the official oil expert around here and we'll blame you if you give us wrong advice.

    I think you understand technical specs. better than me. I really like Lubro Moly and the Mobil 1 is probably the only oil I would switch to if they ever stop importing Lubro Moly.

    It looks to me that they're very close and I love the fact that Lubro Moly comes in convenient 5L jugs and very handy oil change sticker that goes in engine bay (In Europe, people actually open their hood periodicaly)

    LUBRO MOLY 5W-40:
    Specifications / Approvals:
    API SM/CF
    ACEA A3-04/B4-04
    VW 502 00 und 505 00
    Porsche
    MB 229.3
    BMW Longlife-98

    DATA Viscosity class : 5W-40
    ASTM colour : 2.5
    Density at 15 C : 0.85 g/cm
    Viscosity at 40 C : 87,5 mm/s
    Viscosity at 100 C : 14.4 mm/s
    Viscosity index : 171
    Flash point : 215 C
    Pour point : -36 C
    Ash, sulphate : 1.17 g/100 g

    MOBIL 1 0W-40
    Specifications and Approvals:
    Viscosity, cSt (ASTM D445)
    @ 40 C 75
    @ 100 C 13.5
    Viscosity Index 185
    MRV at -40C, cP (ASTM D4684) 31,000
    HTHS Viscosity, mPas @ 150C, (ASTM D4683) 3.8
    Total Base Number (ASTM D2896) 11.8
    Sulfated Ash, wt% (ASTM D874) 1.3
    Phosphorous, wt% (ASTM D4981) 0.1
    Flash Point, C (ASTM D92) 230
    Density @15.6 C, g/ml (ASTM D4052) 0.85









    1998 BMW 540i 6 speed
    Arctic silver, M sport suspension (euro delivery), prod. date 05/98, non VANOS
    Staggered 18" style 32 OEM wheels
    3.15 open differential
    Remus exhaust
    AFE CAI with improved heat shield
    Z3 shifter
    VDO oil pressure and temperature gauges in place of headlight/fog switches
    Powder coated valve covers-satin black
    CDV delete
    Debadged
    AEA DRL module (aftermarket daytime running lights)

    1997 BMW 528iA
    Alpine white, premium package, prod. date 04/97, single VANOS
    Staggered 17" style 32 OEM wheels
    Debadged
    AEA DRL module
    Custom made sun blinds for rear seating area

    2000 Nissan Frontier Desert Runner, AKA "The Work Horse"

    Garage aids:
    Direct Lift Pro Park 8
    Campbell Hausfeld 28 gallon oil lubricated air compressor
    Newair ACP-1400H portable air conditioner and heater
    Auto Enginuity scan tool with BMW enhanced option
    Actron 9135 scan tool-for quick readouts




  2. #2
    Craig in Canada
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    Yes | No

    Re: Craig in Canada, I'd like your opinion in this

    Honestly I think you're fine either way. Despite wearing a BMW badge, none of the E39s are particularly hard on oil and they have no exotic needs. Of course they will prefer some to others, but I don't think you'll see one bit of long term wear difference between most properly-speced oils.

    I noticed noise running Mobil1 in my M52. I also noticed my Porsche and Integra getting noisy on other M1 grades around the early 2000s when they changed from "Tri-Syn" to "SuperSyn". I didn't pay as much attention as I should have - I just thought they were "getting old" or something stupid when in fact switching brands would have almost certainly made them quiet again.

    See
    http://bimmer.roadfly.com/bmw/forums/e39/9595377-1.html for recent blog babble on my noise observations instead of me typing it again here.

    I would add Rotella T6 to your list. Everyone with a Euro engine I've read running it loves it - smooth, quiet, and well speced. I will be switching to T6 for the "fleet" once I've run the last of the GC we have over this winter season. I have purely subjective, qualitative reasons for wanting to go into the 40 weights. T6 comes in quarts, 1gal jugs, 5gal pails and larger. I will probably look for it in 5gal pails. I bought Rotella T on sale in a 5gal pail and it's 3x E39 oil changes plus a little extra for top ups (if needed). That worked out well for my summer change and two 5k mi summer changes for my dad to do a round of Auto-RX (which has virtually eliminated his M62TU VANOS rattle).


  3. #3
    Registered Member
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    Member No: 119706 Bmw540san is on a distinguished road Bmw540san's Avatar
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    Yes | No

    Re: Craig in Canada, I'd like your opinion in this

    That's a good info. I really need to do some oil analysis to confirm how well Lubro Moly is performing. I don't know how popular that oil is in Canada, but I imagine it's more than $7 per liter. The reason I'm still sticking with it that both Bimmers regularly see 5000 rpm and the sound is very healthy.

    On the side note, I removed rear parcel in wife's 528 looking for brackets for child seat and there was apsolutely nothing there in relation what realoem is showing.

    I eneded up using thick washers between parcel and sheet metal, so when I tightened the tether hook bracket, it worked great and it's 100% safe now.



    1998 BMW 540i 6 speed
    Arctic silver, M sport suspension (euro delivery), prod. date 05/98, non VANOS
    Staggered 18" style 32 OEM wheels
    3.15 open differential
    Remus exhaust
    AFE CAI with improved heat shield
    Z3 shifter
    VDO oil pressure and temperature gauges in place of headlight/fog switches
    Powder coated valve covers-satin black
    CDV delete
    Debadged
    AEA DRL module (aftermarket daytime running lights)

    1997 BMW 528iA
    Alpine white, premium package, prod. date 04/97, single VANOS
    Staggered 17" style 32 OEM wheels
    Debadged
    AEA DRL module
    Custom made sun blinds for rear seating area

    2000 Nissan Frontier Desert Runner, AKA "The Work Horse"

    Garage aids:
    Direct Lift Pro Park 8
    Campbell Hausfeld 28 gallon oil lubricated air compressor
    Newair ACP-1400H portable air conditioner and heater
    Auto Enginuity scan tool with BMW enhanced option
    Actron 9135 scan tool-for quick readouts



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