I had Harold install a Quaife in my ride a few months back, and I couldn't be happier. It wasn't cheap, but one of the best mods I have done. Service was top notch, and I have been back twice for further work on my E92.
Also nice to tool down the back roads on the way home!
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JB4, BMW Perf. Exhaust, DCI, Strut Brace, KW Series 1, Quaife LSD, Black Kidneys.
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