Bootmod3 Basic kit, engine-bay 5/16" plug-and-play fittings, Continental flex sensor, CANBus harness. The everyday choice for stage 1 / stage 2 flex on B48 / B58 / S58.
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B58 Gen 2 Catless Downpipes
£450
Catless downpipes for B58 Gen 2 chassis (M340i, M440i, X3 M40i, X4 M40i, Z4 M40i, Toyota A90 Supra). Off-road / track use only.
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- Hand-fulfilled by Samuel, no anonymous warehouse.
- UK shipping from Eccles · worldwide delivery available.
- Card · Klarna · Clearpay on the Stripe-hosted checkout.
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Bootmod3 High Flow kit, unobstructed fuel-flow adapter, CANBus ECA, Continental flex sensor. The pick for stage-3 / hybrid-turbo builds that need the highest mass-flow ceiling.
Autotuner Slave Device
£2,800Dedicated Autotuner slave hardware paired to your VIN. Ships ready-encoded for the protocols Samuel needs to read / write your ECU and TCU. One-off hardware purchase, no subscription.
Direct-fit single midpipe for the S58 platform. Reduces back-pressure between the downpipes and the rear silencer for a sharper exhaust note and cleaner mid-range delivery.