Thread: Absurd exhaust system proposal for e53 X5 3.0i M54 // headers back for under $1,250?
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Old 08-31-2021, 01:52 PM
nick325xit 5spd nick325xit 5spd is offline
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Quote:
Originally Posted by bcredliner View Post
The gains on a 330i are not transferable to the M54 engine.
I'm trying to understand what you mean by this? It's the same engine.
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