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Discussion Starter · #1 ·

I have a bimmer 520i SE and the engine is pretty knackered :(. I'm looking at changing my engine from a 2.0 to either a 2.5 or 3.0 but I want to know if there are any related problems with doing this? do i need to change radiator, gearbox (auto) etc. or can i do a straight swap. I realise a 3.0 will need a new exhaust system.

Also will I need new wiring looms for either of these conversions. I have searched the internet but have come up with nothing so I'm hoping someone on this forum will know

Many Thanks

Tom :)
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