Pump pressure valve

BMW 700 carburetor and air filter

Pump pressure valve

€24.40

incl. 19% VAT plus shipping

for Zenith carburetor KL10 + KL11
Technical data
Category
BMW 700 carburetor and air filter
Item number
B7-03-259
Weight
0 kg
Availability on request

No instant purchase: after your request you will receive a personal quote including shipping costs.

Philipp Schäper
Philipp Schäper BMW Isetta specialist Question about this item?
In stock Almost all parts available directly from stock
Original parts Original parts from workshop inventory
Specialists The specialists for BMW Isetta, 600 & 700
Worldwide shipping By DHL, UPS or freight forwarder — safely packed
Application

A pump pressure valve in the carburetor controls the fuel flow from the accelerator pump and prevents gasoline from flowing back into the pump chamber, ensuring a defined spray pattern into the venturi during load changes.

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General information about this item

Product info
The B7-03-259 pump pressure valve for the Zenith KL10 and KL11 carburetors in the BMW 700 controls the fuel output of the accelerator pump and prevents gasoline from flowing back. During carburetor overhaul and restoration, this precision component should always be inspected for possible leaks or wear and replaced if necessary to ensure clean throttle response and true-to-original drivability.

Database ID: 4647 Accessed on: 17.06.2026 06:30 Data state: 22.05.2026 12:33 In stock since: 18.11.2025