BMW M47 / M47N / M57 / M67 Engine EGR Delete / Race Pipe

BMW Diesel Intake Bypass Tube for M47, M47N, M57, M67 Engines

Looking to clean up your BMW diesel intake tract and free up response on track or off road use? This precision CNC-machined aluminium intake bypass tube replaces the factory exhaust gas recirculation assembly for a cleaner, cooler charge path. Built from a single billet with zero welds for exceptional strength and a factory-style fit, it retains the original mounting points and hardware for an OE-quality installation and a tidy engine bay.

Popular with 3 Series, 5 Series, 7 Series and X5 owners running the M47, M47N, M57 and M67 powerplants, this upgrade helps keep your inlet manifold and turbo free from soot build-up, promotes lower charge temperatures and sharper throttle response, and gives you a dependable, leak-free seal under boost.

• CNC-machined from a single billet of aluminium for rigidity and reliability
• No welds and a brushed finish for a premium look under the bonnet
• Profile matches the OE housing so factory fixings can be reused
• Integrated boost gauge takeoff with a micro-orifice set screw to prevent needle flutter
• Optional blanking screw keeps the install clean if no boost port is required
• Helps reduce charge air temperatures for improved performance
• Minimises carbon build-up in the inlet and protects the turbo from contamination
• Engineered and made in the UK

What enthusiasts search for

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Compatibility

Engines: M47, M47N, M57, M67 diesel engines.

Chassis: E38, E39, E46, E53, E65. Typical models include 3 Series 320d and 330d, 5 Series 525d and 530d, 7 Series 730d and 740d, and X5 3.0d. If you are unsure, contact us and we will confirm fitment.

Options

• Valve Removal Only - Replaces the exhaust recirculation valve while leaving the heat exchanger in place.
• Valve and Cooler Removal - Removes both the valve assembly and the cooler for the simplest possible intake path.

Kit contents

• Double-flange race tube
• Machined cap for the cooler pipe
• 4 x M6 x 20 mm BZP bolts
• Vented set screw for boost gauge takeoff
• Solid set screw to blank the boost port if not used
• 2 x water pipe blanks with the cooler delete option
• 2 x Mikalor clamps with the cooler delete option
• Small blanking plate with the cooler delete option
• 2 x cap head bolts with the cooler delete option

Designed for reliability

This race tube is machined from one solid piece because the pipe is under strain. Welded alternatives can crack over time, which is why this single-billet construction is the smart, durable choice.

ASV and boost gauge friendly

Can be fitted when removing the Anti Shudder Valve. The discreet built-in boost takeoff avoids bulky brass fittings and the tiny orifice eliminates the need for an inline reducer to stop gauge flutter under heavy load.

ECU and dash light information

Once the recirculation valve is removed or blanked, the ECU no longer receives its signal and an emissions workshop light can appear on the dashboard. We can reprogram the software to resolve this.

Fitting service

Professional installation available at MJ Modifications in Warwickshire. For a fitting quote or ECU recalibration, email info@mjmodifications.co.uk.

Why buy from us

We run this hardware on our own workshop cars and customers consistently report a straightforward fit, cleaner intake tracts and a noticeably crisper drive. It is a proven upgrade for BMW diesel tuning enthusiasts who want a neat, robust solution.

Note: For motorsport or off-road use where applicable. Always check local regulations.