What oil do you guys typically use for your M20 engine?
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conventional
Instagram: Reichart12 -
A random list of good oil with a solid ZDDP package
Rotella T6 10w40
Rotella T5 15w40
Liqui Moly 10w40
Mobil 1 15w50
Brad Penn 20w50
Oil filter use Wix or Mann.Comment
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I use Castrol 20W50 conventional with whatever free filter Pepboys is offering at the time lol.www.instagram.com/snwmble
#snwmble
Current:
'05 BMW M3 - Silver Grey/Imola Red
'90 BMW 325iX - Sterling Silver/Houndstooth sport(5-speed converted)
'15 Mini Countryman - Blazing Red/Carbon Black
Past:
'01 Audi Allroad - Light Silver/Platinum Saber Black
'88 BMW 325iX - Diamond Schwarz/Silver sport *Sold*
'01.5 1.8TQ - Brilliant Black/Nogaro Alcantara ...after 8.5yrs, *Sold* =(
'90 BMW 325i - Schwarz/Tan sport *Sold*
'89 BMW 325ix - Diamond Schwarz/Black sport *Sold*Comment
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Rotella T-6 is 5w-40 synthetic. I use it in my truck, Walmart has 2.5gal containers. I will use it in my car if you think it’s good for the m20.Originally posted by AWDBOB View PostMy son has the 1987 325e, 2 door, 5speed
I daily the 1989 325i, 4 door, 5speedComment
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Rotella T4 15w40.
It's conventional and has enough ZDDP to meet the e30's needs.
Also great b/c it meets JASO MA spec so I can run it in my motorcycle
If it's got tits or tires, it's gonna cost ya!Comment
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Extra virgin olive oil.
Or in a pinch, COD liver oil.
Hasn’t this been covered a million times?2001 silver/Blk 325 cabby. SOLDOriginally posted by codyep3
1988 Blk/Blk e30 factory wide body kit car SOLD
1992 DS/BLK 325 m-tech II apperance pack cabby SOLD!
2002 325xit Sil/blk. SOLD
2012 328i xdrive touring. Wht/blk. SOLD
2009 135 cabby. monacoblue/blk leather SOLD
2007 Z4m coupe. Silver grey/black/ aluminum. 1of50
2010 F650gs twin
2016 M235i cabby. Mineral grey/Red leatherComment
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Originally posted by Todd Black 88 View Post
While I can understand wanting to give your car a European flavor by using Extra Virgin Olive Oil, you really should be using Flaxseed Oil.
With use it will form a nice non stick coating on the cast iron block. The reduction in friction can add 20 to 30 HP to a M20.
http://sherylcanter.com/wordpress/2010/01/a-science-based-technique-for-seasoning-cast-iron/[/URL]
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Rotella T4 15w40, good stuff.Comment
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Valvoline VR1 20w50
Originally posted by 2mAnComment
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Originally posted by sampayne View PostCurrent Collection: 1990 325is // 1987 325i Vert // 2003 525i 5spd // 1985 380SL // 1992 Ranger 5spd // 2005 Avalanche // 2024 Honda Grom SP
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i use a local brand conventional oil 10W-40 for winter and 15W-50 summer, though last summer i retained 10W-40Last edited by digger; 07-30-2023, 03:14 PM.89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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Bacon grease.... it seasons the cast iron block just right. Just remember to not cook acidic foods like tomato sauce. It attacks the coating and ruins the flavor. Use a m5x nikasil block for that stuff.Comment
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A friend of mine and I use Shell Rotella T5 15w40. No issues, and it's dirt cheap.Comment
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Rotella T4 15w40 or Valvoline VR1 20w50. These engines need thick oil with high zinc content. If you use oil for modern engines, you won't get that - they're specifically low-zinc, because zinc wears out the catalytic converter.Comment
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