Just don't joke with the immigration officials on your way in... I've never met a more unfriendly bunch in my life, I had one guy basically try and get me to admit I had entered illegally, although I had been admitted legally by another officer in the same office.
I've seen people verbally abused and insulted because they didn't understand the question or speak English that well.

On the other hand, in my home country I was treated with courtesy and respect by the (american) officials throughout my visa process. I guess some of it's down to luck on who you get...

Typical though- now I'm in, I can't get out again!

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1993 320TE M104
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past:

1983 230E W123 M102
1994 E300D S124 OM606 (x2)
1967 250SE W108 M129
1972 280se 3.5 W108 M116
1980 280SE W116 M110
1980 350SE W116 M116
1992 300E W124 M103
1994 E280 W124 M104
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"music and women I cannot but give way to, whatever my business" -Pepys