Gruppe-M imitation
Also found this Gruppe-M imitation from an Asian ebay supplier. Looks like they took a Gruppe-M and copied it exactly.
I'm thinking that the BMW performance is still better, since even the original GruppeM still reuses some BMW (non performance) OEM parts and has a baffle to the airbox. I like how the BMW performance intake has enlarged inlets and no baffles.
That being said, I prefer the K&N filter over the one BMW performance offers.
But, the reality is that the difference might only be a few ponies, since the BMW performance intake with exhaust only nets about 10hp total.
This costs $480US on ebay, but we might be able to get him down further if we order a few. Group buy anyone?
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Modded 135i
RHD Bumblebee
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