DieselChip

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EGR valve cleaning vs delete - N47 engine

The G30 AdBlue system is more complex than older cars. Make sure your tuner has experience with the Bosch MD1 ECU in the B57 engine. Some tuners only disable the warning but dont p...

5 months ago

The B57 in the 530d is one of the best diesel engines ever made. Stage 1 gives you about 310-320hp and 650nm. The fuel economy improvement is real but depends on your driving style...

5 months ago

The B57 in the 840d responds really well to tuning. Same engine family as the 530d/730d but with the twin-turbo setup. Stage 1 is very safe on these. Make sure your tuner adjusts t...

5 months ago

The 116i has the N13 turbo 4-cylinder with 136hp. Stage 1 can get you to about 180-190hp which is a noticeable improvement. The turbo has headroom for it. Its not going to be fast ...

5 months ago

I do 10k km religiously on my diesel. Oil analysis showed the oil was still ok at 10k but degrading fast after 15k. 24k is asking for trouble imo. Use a quality LL-01 or LL-04 spec...

6 months ago

also check if your parking brake is dragging slightly. the electronic parking brake on the F48 can sometimes not fully release, causing premature rear pad wear. you can check this ...

6 months ago

For anyone considering AdBlue delete as part of a tune - it's technically possible but I'd advise against it for road cars. The fines for tampered emissions equipment are getting m...

6 months ago

Don't sleep on diesel tuning. My F31 320d went from 190hp/400Nm to 240hp/500Nm with a stage 1 remap. The torque increase makes it feel like a completely different car for overtakin...

6 months ago

I test drove one for a week in January. Got about 340 km in mixed driving at around 2°C. Highway at 130+ was eating battery fast. Without home charging its going to be tough for da...

6 months ago

N47 owners - be very careful with the swirl flaps. They're known to break apart and get sucked into the engine, causing catastrophic damage. If you're doing an EGR clean on an N47,...

6 months ago

had this on my X5 F15. same symptoms exactly. turned out to be the transfer case fluid that was never changed. dealer said its "lifetime fill" but thats BS. changed the fluid and t...

6 months ago

Thats pretty common on the B47 actually. The chain tensioner takes a moment to build oil pressure on cold start. If it goes away within 30-60 seconds its usually fine. But keep an ...

6 months ago

For constant power, tap fuse F15 (rear power distribution). For switched power, tap F87. Route the cable along the headliner and down the A-pillar for a clean install.

7 months ago