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Inline sixes of every badge: BMW, Mercedes M256, JLR Ingenium, Toyota 1GR and the survivors.
Straight-Six Society is about the layout: BMW's B58, N54, S55 and S58, Mercedes M256, the Ingenium I6, Toyota's 2JZ and 1GR, and the naturally aspirated survivors. Owners compare care, tune headroom and the sound, and the answers travel because the engines are the same wherever they were sold.
For verified owners of any inline-six-engined car.
What happens here: engine-platform deep dives (oil, coolant, carbon, turbo and gasket behaviour in heat), dyno days and tuner comparisons, club drives that mix badges around one engine, a parts cross-reference maintained by members, and shared long-term reliability logs.
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.