I started doing this routinely with every oil change. Only have a tiny 1.2tsi VW though, but the difference afterwards is noticeable. Especially in terms of rate of oil consumption. These tend to clog their rings it seems.
Reviews of RAVENOL engine flush
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3 votes
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1 review
Description
RAVENOL
Germany
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What we know about RAVENOL engine flush
The brand is registered in Germany.
In March 2026, PartReview does not yet have a formed opinion of RAVENOL engine flush. You can help by adding a review for RAVENOL engine flush.
Currently there are 1 review and 3 votes. Average rating — 5 out of 5. Vote balance: 3 up, 0 down.
Users also evaluated the qualities of RAVENOL engine flush:
- Idle smoothness - engine can idle a bit more evenly after use - rated positively. 4 points out of 5.
- Drain appearance - old oil drains darker and thinner as deposits are loosened - rated positively. 4 points out of 5.
- Smoke change - temporary exhaust smoke may appear during or after treatment - no rating yet
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