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Wagner Tuning EVO1 stepped front mount intercooler for the BMW N54 and N55 135i and 335i
LatestGuide
Oct 20, 2026 13 min read

N54 Intercooler Upgrade: Wagner vs Mishimoto vs do88

The stock N54 intercooler lets intake temps climb 70 to 90°F over a pull once the car is tuned. We compare the Wagner EVO1, Mishimoto and do88 coolers...

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BMW E90 instrument cluster showing the check engine light during a low fuel pressure limp mode event
Guide
Oct 13, 2026 27 min read

How to Datalog an N54 With MHD and Read the Logs

How to take a clean MHD datalog on a BMW N54, what every monitor channel means with healthy and bad values, and how to trace 29F2, 29DC, 30FF, lean banks and timing...