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The GMP blog.

How-to guides for the cars we work on, recaps from the events we host, and fifty years of GMP history.

What changes: today this lives under "Media Events": 284 posts titled "GMP Performance - [topic]", with no headings and one shared description. Every post moves here with its own title and heading, and we add the articles people actually search for. Posts marked "New topic" are ones we recommend writing; everything else is already in your archive.

A technician's gloved hands working on the fuel system of a twin turbo inline six
Know your car

BMW N54 high pressure fuel pump: symptoms, and what to listen for before it strands you

Long cranks, limp mode and a low fuel pressure warning. What fails, why the N54 is known for it, and when a replacement pump fixes it for good. Linked straight to the service that fixes it and the part that does the fixing.

New topicLinks to: HPFP replacement service, N54 fuel system parts
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