BudgetBuild

N47 timing chain failure - prevention guide

E46 330ci — from rusty barn find to show car in 18 months

Ceramic coating vs PPF - which is better for BMW?

CMD Flash vs KTag vs Autotuner - which ECU tool to buy?

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...

5 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...

5 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...

5 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.

6 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.

6 months ago

change the filter/pan too. its only 100 EUR extra and youre already under the car. no point doing a half job

7 months ago

add the Grossglockner to your list. amazing road with incredible views. and the speed limits are reasonable unlike some other alpine passes

8 months ago

what tool did you rent for reading the ECU? and how much was the rental?

8 months ago