Dinan High Flow Throttle Body Upgrade for BMW 550i, 650i, 750i - 9% Increased Airflow, Faster Throttle Response | Performance Throttle Body for BMW 5 Series, 6 Series, 7 Series

Give your BMW V8 the breathing it deserves with this Dinan enlarged throttle housing. Precision bored from the original unit, it offers around a 9 percent gain in flow area, unlocking cleaner intake velocity, stronger mid‑range pull and a crisper pedal feel that you notice every time you drive.

What you will feel

• Quicker pedal response and sharper pick‑up for more engaging acceleration
• Smoother, more urgent delivery across the rev range
• Enhanced intake efficiency from a big‑bore throttle design
• OE fitment and reliability thanks to the factory casting being expertly machined
• Ideal foundation for further induction or exhaust upgrades

Built to integrate

Because the throttle body starts life as a genuine BMW unit that is CNC enlarged, you get perfect sealing, factory electronics compatibility and a true direct‑fit replacement. No gimmicks, just a larger, high quality throttle path that lets your engine breathe more freely.

Compatible models

Designed for BMW 550i, 650i and 750i applications. A brilliant choice for owners of BMW 5 Series, 6 Series and 7 Series V8 petrol models seeking a straightforward induction upgrade that delivers immediate response gains.

Proven on road cars

We have fitted and used this upgrade ourselves and feedback from our customers has been consistently positive. Expect a more responsive throttle, stronger in‑gear surge and a more connected driving experience without compromising day‑to‑day usability.

Fitting and support

Professional installation recommended. For a hassle‑free service, book fitment with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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