5w-40 to 5w-30 transition

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Jun 12, 2017
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In my BMW E82 135i I have Castrol Edge full synthetic oil. Not burning oil or any issues and I have 156k on the odometer. I'd like to change it from Castrol to the Liqui Moly 5w-30. Is that ok?
 

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Go this:
Castrol - 152B99-6PK 06244 Edge A3/B4 0W-30 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack https://a.co/d/ibqVfhy

Or this:

Pennzoil Platinum Euro Full Synthetic 5W-40 Motor Oil (1-Quart, Case of 6) https://a.co/d/469tBBZ

Forget Liqui Moly.

Also, grade is irrelevant. What matters is HTHS and approval for your engine requires minimum HTHS of 3.5. So you need right approval, which is LL01. That is in short bottom line. You have much more in Euro section.
 
Go this:
Castrol - 152B99-6PK 06244 Edge A3/B4 0W-30 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack https://a.co/d/ibqVfhy

Or this:

Pennzoil Platinum Euro Full Synthetic 5W-40 Motor Oil (1-Quart, Case of 6) https://a.co/d/469tBBZ

Forget Liqui Moly.

Also, grade is irrelevant. What matters is HTHS and approval for your engine requires minimum HTHS of 3.5. So you need right approval, which is LL01. That is in short bottom line. You have much more in Euro section.
Does the Liqui Moly not meet the criteria you outline?
 
Does the Liqui Moly not meet the criteria you outline?
It does. But it is average oil with hyped up marketing.
These are much better choices.
Appropriate Liqui Moly will have same approval. But approvals are minimum requirements (although we are talking very stringent approvals, much more than average API or ILSAC oil).
Those two I listed are top of tge “food chain” that have approvals. Add to that Mobil1 0W40, which doesn’t have approval (long story) but has MB229.5 approval which is generally more stringent than BMW LL01. In your engine (not sure do you have N54 or 55?) you can use oil with MB229.5 even if oil doesn’t have LL01.
 
It does. But it is average oil with hyped up marketing.
These are much better choices.
Appropriate Liqui Moly will have same approval. But approvals are minimum requirements (although we are talking very stringent approvals, much more than average API or ILSAC oil).
Those two I listed are top of tge “food chain” that have approvals. Add to that Mobil1 0W40, which doesn’t have approval (long story) but has MB229.5 approval which is generally more stringent than BMW LL01. In your engine (not sure do you have N54 or 55?) you can use oil with MB229.5 even if oil doesn’t have LL01.
I am not the original poster, but dealing with trying to locate LL-17 FE+ choices for my 330i. Slim pickings, but was going to go with the approved Liqui Moly. Valvoline is another possibility.
 
I am not the original poster, but dealing with trying to locate LL-17 FE+ choices for my 330i. Slim pickings, but was going to go with the approved Liqui Moly. Valvoline is another possibility.
Ravenol = Blauparts

Buy German full syn and have it delivered to you.
 
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I prefer LL-04, in particular for DI turbo engines. With today's
low-sulphur fuels both in NA and Europe there is no need for
LL-01. I use Ravenol REP 5W-30 that appears to be excellent
if not best LL-04 approved currently available (PAO/ester/AN
with tungsten). Ravenol RUP 5W-40 looks extremely close in
VOA, just a tad thicker. Comes with LL-04 as well.
 
Ravenol = Blauparts

Buy German full syn and have it delivered to you.
I may do that, but note that after delivery and high initial price, it's a pretty expensive proposition. This is not to say that other LL 17 FE+ oils are cheap, but would want to know that the additional price for Ravenol makes sense...
 
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