TurboMax

BMW 320d chiptuning results - before and after comparison

New here - E46 330ci owner from Germany

Bimmercode vs E-Sys - which should I learn?

BMW turbo upgrade options - hybrid turbos, bolt-on upgrades, and what to expect

N55 vs B58 - which is the better engine long term?

E92 335i N54 single turbo build journal — 600hp target

ZF 8HP fluid change - which fluid to use?

Group buy: VRSF intercooler for F30 - 20% off with 10+ orders

BMWs are not unreliable. They just need maintenance that people dont want to pay for. If you maintain them properly theyre as reliable as any Japanese car. The problem is people bu...

5 months ago

Most important tip: dont try to be a hero on your first time out. The Nurburgring is 20+ km long and has blind corners everywhere. Take it easy for the first few laps, learn the tr...

6 months ago

10k km gang here. I've seen too many engines with sludge buildup from people following the 24k interval. Its especially bad for short trip driving where the oil never fully warms u...

6 months ago

The B58 is one of BMWs best engines ever made. Timing chain issues are extremely rare compared to the N20/N26 which had real problems. At 68k km youre fine. Just keep up with oil c...

6 months ago

DOT4 is correct for F30. You can DIY it with a one-man bleeder. No coding needed afterwards. Simple job, about 30 minutes.

6 months ago

On the N55, the most common coolant leak spots are: Expansion tank - develops hairline cracks Electric water pump - the connector area Thermostat housing - the plastic housing warp...

6 months ago

Unpopular opinion but look at the F10 535i with the N55. You can get really nice ones for under 15k now. Way more car for the money than a 3 series, same reliable engine as the M23...

6 months ago

If its your only car and you do 25k km/year, M240i is the smarter choice. The M2 Comp is more fun on a twisty road but the M240i is better at everything else. The M2 Comp will also...

6 months ago

If you have no boost loss and no codes, the wastegate rattle is mostly cosmetic at this point. The actuator bushings are worn but still functional. That said, it WILL eventually le...

6 months ago

If youre staying stock, the risk is very low. The crank hub issue mainly affects cars that are tuned and see repeated high-RPM pulls. BMW updated the crank hub design in later prod...

6 months ago

Oil filter housing gasket is the #1 issue on N52. Its a guaranteed leak, just a matter of when. Budget 300-400 EUR for the repair. Other than that, the N52 is solid.

6 months ago

did the same on my F30. works great. the only issue is sometimes the wireless connection drops for a second but its rare

6 months ago

Great to hear about long term reliability! Im at 20k km on my N55 stage 2 and no issues either. Good tune + regular maintenance = no problems.

7 months ago