BMW B58 Charge Pipe/Boost Pipe Upgrade Kit by CTS Turbo - Aluminium Intercooler/Turbo Outlet Hard Pipe for M140i M240i M340i M440i 540i 740i X3 X4 (F20 F22 F30 F32 G30 G11 G12 G01 G02) - MAP Boss & 1/8 NPT Meth Port

Uprated Boost Pipe Kit for BMW B58 engines

Replace the fragile factory plastic pipework with this CTS aluminium hard pipe set designed for the BMW B58. Built for tuned and stock vehicles alike, this direct-fit upgrade delivers sharper throttle response, smoother airflow and dependable performance under elevated boost pressure. Perfect for daily driving, spirited road use and track days, it’s a proven reliability upgrade that our team and customers love on M140i, M240i, M340i, M440i, 540i, 740i, X3 and X4 B58 models.

Why upgrade your B58 boost pipework

• Replaces the OE plastic tube that is known to split, crack or pop off under load
• Improves response and reduces turbo lag with freer-flowing aluminium piping
• Maintains factory-style connections for a secure, leak-free seal
• Engineered to handle higher-than-stock boost on remapped cars
• Ideal supporting mod for Stage 1 and Stage 2 B58 tuning

Key features

• Precision-machined MAP sensor boss for perfect sensor alignment
• Mandrel-bent 6061 aluminium tubework with OE-style O-ring throttle body lock flange
• Durable black powder coated finish for a stealth, OEM-plus look
• 4‑ply silicone hose for heat and pressure resistance
• Stainless steel clamps for long-term corrosion resistance
• 1/8" NPT port for water-methanol injection or auxiliary sensors

Compatibility

For BMW B58 models including:

• M140i, M240i, M340i, M440i, 540i, 740i
• X3 and X4 with B58 engine
• Chassis: F20, F22, F30, F32, G30, G11, G12, G01, G02

Not compatible with

• Toyota Supra A90 B58

What you get

• CTS aluminium boost pipe assembly
• High-temp 4‑ply silicone connector
• Stainless clamps
• Pre-installed MAP sensor flange and 1/8" NPT meth port

Fitment and support

Direct replacement using factory-style fittings. Professional installation recommended. For supply and fitting, contact MJ Modifications in Warwickshire for a quote: info@mjmodifications.co.uk.

Why buy from us

We run this CTS boost tube on customer B58 builds and it’s consistently reliable, airtight and responsive. Owners report crisper throttle feel and confidence under sustained boost, especially on tuned setups.

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