Help with issues, error codes, and problems
Got my F30 320d remapped 2 weeks ago and now the engine light came on. Scanner shows code 2C5A - boost pressure too low. Is this related to the remap or a separate issue? The car…
2 months ago
Suspecting a boost leak on my N55 335i. Symptoms: Loss of power above 4000rpm Slight whistling sound under boost Occasional check engine light (underboost code) How do I find the…
2 months ago
HELP! Tried to flash my N54 DME with MHD and the process got interrupted (laptop battery died). Now the car wont start at all. Dashboard lights come on but engine doesnt crank…
2 months ago
The electric water pump on N20/N26 engines is known to fail. Mine just went at 85k km on my F30 328i. Warning signs I ignored: Coolant temperature fluctuating slightly Very faint…
2 months ago
Getting VANOS fault codes 2A82 (intake) and 2A87 (exhaust) on my E90 325i N52. Car runs rough at idle and has lost some power. Already tried: Cleaning VANOS solenoids New oil and…
3 months ago
The BMW xDrive transfer case is generally reliable but when it fails, repair costs are significant. Here is everything you need to know about xDrive transfer case issues. COMMON…
3 months ago
Got my ZF 8HP TCU tuned and now getting intermittent "Transmission fault" warnings. The shifts are faster but sometimes the car hesitates when shifting from 2nd to 3rd. Tuner…
3 months ago
One of the most frustrating BMW problems: coolant level keeps dropping but no visible leak. Here are the hidden causes. HIDDEN LEAK LOCATIONS: Expansion tank hairline crack…
The valve cover gasket is one of the most common oil leaks on BMW engines. Here is how to diagnose and fix it. SYMPTOMS: burning oil smell, oil pooling around spark plug wells…
The electric water pump is one of the most common failure points on modern BMW engines. Unlike traditional belt-driven pumps, BMW electric water pump is controlled by the DME and…
3 months ago
Did a DPF delete on my E90 320d but the car keeps going into limp mode. The tuner said he disabled all DPF-related codes but clearly something was missed. Codes showing: 4810…
Installed a new cold air intake on my N55 335i and now the car has a rough idle. It hunts between 600-800 rpm and sometimes stalls. Drives fine once moving. I checked for vacuum…
