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Correct Oil Grade for E30 323i
#1
Howzit guys, apologies if this has been discussed before but struggling with the search function as well. Just wanted to know which is the correct oil spec for above mentioned car. Car has about 200k mileage. Dont race or spin or hammer the car because automatic.Thumbdown Any help would be appreciated.
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#2
Shell Helix HX7 works really well, used it on multiple E30s in the past
Current rides
1995 E36 325i [Unfinished Monalisa]
2003 E46 M3 (Blitz) 
2004 E46 330D M-sport [167wkw 556nm]

Ex Rides
1998 160i Conquest Rs
2012 Yamaha FZ6R - Stock
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#3
I am currently running Motul X - Power 8100 in my e30. Car runs nice and smoothly!
I will be trying this oil in my daily runner as well, or something from the Motul Range at least.
Current: 1990 320i Low Miler Project
EX:
e30 320i 2.9l stroker Astral Silver
e36 M3 Avus Blue
e34 M5 Calypso Red
e82 125i Space Grey
e82 135i Alpine White
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#4
Ive been using hx5 15w40 on my car n it hasn't given me a problem not even once
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#5
I think the best oil spec for the motor would be an 10W40 Semi synthetic

Remember Oil does not always cause problems directly, It does how ever shorten the life of the engine with the wrong spec. But not something that we normally see in a few months, it takes a long time.

There are a number of factors that cause oil degrading and sludging which cause damage, so get a spec oil that can handle it, but also bearing in mind you have an older spec engine, which does not always require the latest spec oil.

That said. Oils are very similar when they have similar specs. Look for something that has god a good base stock. ie Shell, Chevron etc

Additive package's found in oil is not really something that you need to worry about with your particular vehicle. Lubrizol is 1 of the major suppliers in the world.

In my experience it is common practice that people using the wrong oil for the wrong application. This is bad, and can cause problems in the long run. This however does not mean it is a bad oil.

The 8100 is a 5W30. The 30 Viscousity is not ideal for you E30 a better viscousity would be 40 ie 4100 range.
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#6
My E30s had its services done at the Dealer from new , now I dont know what oil was used on it in the past as I was to young to bother or care Im assuming it was 5W30,As on its last few trips to the dealer for an Oil service , They have been using 5W30 , the same as whats being used in My E46 and the F30 the blue BMW twin power bottle oil , which is a shell oil now I think . So when I " woke the car up from its sleep " I changed the oil myself with the same BMW bottle 5W30 engine oil .
Current Cars
16 BMW F30 320i B48 LCI Automatic
02 BMW E46 318i N42 LCI Automatic
93 Mercedes Benz W124 E320 4 Door LCI Automatic
88 BMW E30 320I M20 LCI Automatic

Old cars
Hmm
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#7
If the car was serviced by the agents from new it would have been service with 5W30 for the last 5-10 years. Before then it would have been a 10W40, but this would have been for a very short period of time. early 80's to 90's it was 15W40. The agents change as the requirements for the new models change. That does not mean the 5w30 is good for your car. 10W40 Semi or Full Synthetic is the best option for your car.

Shell and BMW signed a long term deal end of last year. This does not mean Castrol is Bad, its just that Shell offered better rebates.

PM me if you interested. Oil is my business
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#8
WithStu as said earlier HX7, which Is 10w40. On the E30s I used to maintain all of them switched to HX7 from magnatec or HX5 and the engines ran significantly quitetly and smoother.
Current rides
1995 E36 325i [Unfinished Monalisa]
2003 E46 M3 (Blitz) 
2004 E46 330D M-sport [167wkw 556nm]

Ex Rides
1998 160i Conquest Rs
2012 Yamaha FZ6R - Stock
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#9
BravoRofl
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#10
Thanks for all the responses guys, using the 10w40 hx7 now and motor seems abit quiter
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  • Nikhil
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#11
I distribute Mega lube products. I run their 10W40 in my M535i. I have had oil samples tested through wear check and I am glad to say that the oil has always been in good condition at service intervals.
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