Bmw S85 Compression Test
175k mile S85 Borescope and compression test Jump to Latest 3.9K views 9 replies 5 participants last post by AAA May 22, 2023 A. Compression testing is one of the most common procedures for checking the relative health of an engine. If you ever want to know where you stand in terms of the overall health of your engine, a compression check and leak.
Any engine experts that can help re some technical questions on an bmw s85 motor? Discussion in ' Technical Q&A ' started by craze, Dec 30, 2022. Compression Testing Procedure All times are GMT -5. The time now is 12:13 PM.
BMW typically specs compression variation of 10%; yours is almost 20% of the lowest cylinder. I'd take the car to a BMW shop that has diesel experience. These guys are guessing, and using your purse to guess.
Next step is a cylinder leakdown test. Do you have evidence that the car was well-looked-after before you bought it? Euro Compression Tester Kit Built with 3 size hoses with 14mm end, 12mm end and 10mm end.
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« Previous Thread Next Thread Diesel compression test HELP. Loosely speaking static the compression ratio determines the theoretical maximum psi you should test to. Cam overlap will lesson the actual compression you ultimately test to.
I don't know the specifics of the motor you are testing. Does it have any kind of VVT? Spitballing a little on my part here.