Dual Diffuser (435i style)
I recently took my car to have the exhaust converted from twin to dual pipes and the garage also fit the diffuser afterwards. The fitment is horrendous and I haven't had much of a fiddle with it but I think it's the part (eBay replica) rather than the quality of fitting from the garage.
Now I think the oem m performance diffuser is over £400 from bmw but do I have any alternatives to fixing this issue?
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