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BMW 318ti Questions

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Hello,
1999 BMW 318i issues that I hope you guys can give me an assist with:

1 In the morning, car tends to have some hesitation when the engine is cold.

2 When car stops completely and it is in D, and I have the foot on the brake, the engine (feels like engine) begins to shake. But when I take my foot off brake, shaking stops.

3 When I do stop the car, the RPM's dip and it feels like engine is about to stop, but then stabilizes, although the shaking begins.

4 Sometimes when I'm driving at higher speeds and apply the brake, RPM's rev up when they should be going down. Feels like when taking the car from 4th gear to 3rd and it still has too much speed. This is momentary and immediately RPM's begin to decrease.

Car runs great, transmission is not slipping, and engine feels like it is running fine.
I have changed the spark plugs, air filter, and exhaust sensors.

Any help would be greatly appreciated!
Many thanks in advance,
Paul
Nearly bought an MB, C230 'til I found out about the balance shaft issue. Benz is really dropping the ball, not stepping up for a recall. The fix is like $4000!
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