Making power on a budget. E46 330ci project.
YouTube is your best friend for BMW DIY. Channels like 50sKid, ShopLifeTV, and FCP Euro have step-by-step videos for almost every common repair on every BMW model. I went from know...
2 months ago
Budget option that works great: eBay 200-cell sport cat downpipe + stock catback. On my N55 335i it cost about 150 EUR and with a MHD stage 2 tune I'm making 370hp. The stock catba...
2 months ago
Welcome! The E46 330ci is one of the best BMWs ever made. For stage 1 on the M54 engine, the gains are modest (maybe 10-15hp) since its naturally aspirated. But a good intake, exha...
2 months ago
For N55 stage 1, BM3 is the way to go imo. The app is great, you can switch maps on the fly, and the data logging is excellent. MHD is also good but BM3 has better N55 support.
3 months ago
DCT jerkiness at low speed is normal to some extent. But a TCU flash can definitely help. xHP is a popular option for F80 M3 DCT tuning.
3 months ago
change the filter/pan too. its only 100 EUR extra and youre already under the car. no point doing a half job
4 months ago
add the Grossglockner to your list. amazing road with incredible views. and the speed limits are reasonable unlike some other alpine passes
5 months ago
what tool did you rent for reading the ECU? and how much was the rental?
5 months ago
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Making power on a budget. E46 330ci project.
Member since
Mar 11, 2026
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