Compression spring

BMW 700 carburetor and air filter

Compression spring

€6.00

incl. 19% VAT plus shipping

for pump drive lever, old BMW no 13310075774
Technical data
Category
BMW 700 carburetor and air filter
BMW part number
13310075775
Item number
B7-04-055
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 compression spring in the pump drive ensures the return force and contact pressure of the drive lever, allowing the mechanical fuel pump to achieve its full stroke and thus build up the required delivery pressure.

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General information about this item

Product info
The compression spring B7-04-055 (old BMW part no. 13310075774) ensures the necessary preload and return force of the pump drive lever in the mechanical fuel pump of the BMW 700. As part of a restoration, a fatigued or broken spring should be replaced to restore the full pump stroke, sufficient fuel pressure, and thus reliable engine performance.

Database ID: 4698 Accessed on: 17.06.2026 10:31 Data state: 22.05.2026 12:33 In stock since: 18.11.2025