18/04/2026 1:55 pm
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Ive built plenty of M cars but honestly the G80 market is such a mess right now. Everything feels like cheap carbon fluff and I actually need performance since Im hitting heat soak issues at the track here in Phoenix.
- $4500 budget
- streetable suspension
- real cooling gains
What are the actually functional parts that dont just look pretty but actually shave time?
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18/04/2026 2:20 pm
> Im hitting heat soak issues Im telling you CSF Race High Performance Oil Cooler G80 M3 is amazing over the Mishimoto Performance Transmission Cooler G80 M3! Fantastic gains. Check Bimmerpost for data logs!
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18/04/2026 2:30 pm
Phoenix heat is brutal, so I would suggest focusing on airflow first. Be careful with generic radiators tho, they often restrict more than they help.
- Cooling: CSF High-Performance Front Mount Heat Exchanger G80 M3 is a must to fight heat soak in AZ.
- Suspension: I might want to consider Ohlins Road and Track Coilovers G80 M3 because they are super streetable but kill it on track. Make sure to check your brake fluid too.