Turbosmart Kompact Dual Port BOV Kit for BMW N54 Twin Turbo (135i E82, 335i E90/E92/E93, 535i E60, Z4 35i E89) Blow Off Valve Upgrade TS-0203-1050

Hybrid Dump Valve Kit for BMW N54 3.0 Twin Turbo 135i, 335i, 535i and Z4 35i

Unlock sharper throttle response, dependable boost control and that addictive turbo soundtrack with this Turbosmart Kompact Dual Port system. It replaces the fragile OE plastic diverter valves on the N54-powered 1 Series, 3 Series, 5 Series and Z4 with robust Turbosmart Kompact Dual Port valves for crisper spool, consistent sealing and a refined whoosh on gear changes. Part Number TS-0203-1050.

Why enthusiasts choose this upgrade

• Direct-fit replacement for factory DV units that can leak under load
• Hybrid design with ports and supplied blanking plugs so you can run full recirc or a mix of recirc and vent-to-atmosphere
• Noticeably quicker boost recovery between shifts for a more responsive drive
• Vacuum spring setup pre-configured for N54 with pink springs rated -24 to -14 InHg
• Complete kit with hoses, clamps and fittings for a straightforward install

What you get in the box

• Two Kompact Dual Port valves tailored for the N54 platform
• All required hoses, clamps and fittings
• Port blanking plugs to configure sound and recirculation
• Pink springs pre-installed, rated -24 to -14 InHg

Vehicle fitment

Designed for BMW models with the N54 twin turbo straight-six:

• E82 1 Series 135i from 2008 to 2010
• E9x 3 Series 335i from 2007 to 2010
• E60 5 Series 535i from 2008 to 2012
• E89 Z4 35i from 2009 to 2015

Z4 35i note: Requires additional pipe kit TS-0203-2001.

Part number

TS-0203-1050

Real-world results

We have installed this on our own N54 projects and for many customers. Feedback is consistently positive, with owners praising the improved boost integrity, cleaner shift noises and a more engaging drive without the inconsistent behaviour of tired stock valves.

Professional fitting

Prefer expert installation and setup. Book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and lead times.

Warranty

Backed by a one year manufacturer warranty from Turbosmart.

Media

Turbosmart Kompact Dual Port system on the N54

Sound clip

Helpful search terms

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