Jonny5 Posted April 8, 2021 Posted April 8, 2021 Hi all i am new to the group but hopefully someone can help!!! My B8 has just come back from the garage today and is only making 370 BHP on the rollers even after having walnut blast, spark plugs and injectors checked. Has anyone ever seen this before? Also been checked for fault codes and is all clear. Car gets to 6000 RPM and gives no more power through to 8000 RPM.
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