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B58 builds only. Stage 1 upward, downpipes, intercoolers, and the dyno sheet that goes with them.
Modded M340i is the tuned half of the G20 club. An M340i owner running a stock car and an M340i owner running 500 horsepower on a hybrid turbo have very little to say to each other, so they are in two clubs. This is the second one.
For verified M340i G20 owners with a documented build. Registration plus build proof: a dyno sheet, a tuner invoice, or a build log with parts and before and after evidence.
What happens here: build logs with parts, invoices and photos, dyno days with an independent operator, tuner and fabricator reviews written by people who paid the bill, group buys on hardware, fitment and alignment sessions, and show slots at Octane meets.
Stock G20 threads, LCI differences and service intervals stay in M340i / 3 Series G20. Bring the sheet here.
No members yet. Applications are open.
Free on every membership. You apply with the car in your garage and a reviewer decides, usually within 48 hours.
Checked by hand. Documents are only seen by the reviewers, through links that expire in 15 minutes.
No approved members yet. The first application could be yours.