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- Tue Feb 04, 2025 2:53 am
- Forum: Tech and Performance
- Topic: New Top-end Problems
- Replies: 2
- Views: 889
New Top-end Problems
I own a 2009 BMW R1200RT with 95k miles on it. In that 95k miles, I've lost performance and fuel economy twice. This is to stay that on two occasions that engine failed compression and leakdown tests. The last time, it made 150 lbs. compression with 9% and 11% leakdown in each cylinder. So, I love t...