I'm referring to an engine tune performed with a program and a computer. Check out the local seen and chances are you will find some someone with an m62 tune. I just found a guy in Washington with one and he's currently working on another one for the m52tu. Some of these engine tunes will bring on more crackling and popping off throttle. If you can get together with the tuner, you could possibly have him increase that effect.

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2001 E53 4.4 Alpine White, Sports Package
2000 E36/7 2.8 5 speed Bright Red w/ a HT!