I have an E34 M20 520i. It has lost acceleration power and can not move uphill as used to. The mechanics have taken so much money trying to have it fixed. It idles very well, no miss, engine sounds perfect....

BMW E34

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duyakens

I have an E34 M20 520i. It has lost acceleration power and can not move uphill as used to. The mechanics have taken so much money trying to have it fixed. It idles very well, no miss, engine sounds perfect. Any help?

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