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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
BMW CAR Magazine (Dec'08) tested our demo 335i with the ECU Upgrade at Bruntingthorpe proving grounds in October 2008
The software upgrade for the E89 Z4 20i was designed and tested at our dyno facility and on road to give optimal performance with maximum safety
when higher revs are hit and the valves are permanently open
Conventional methods of advancing the ignition timing under full load have little effect
In its basic mode
Supersprint Front Pipe - BMW 1 Series F20/F21 M135I | 2 Series F22/F23 M235I | F87 M2 | 3 Series F30/F31 335I E39 BMW CAR Magazine (Dec'08) testedReplaces the stock front section and flex joint. Removes the flattened sections of the stock pipe for improved flow. Requires the OEM BMW clamp (part number 18 30 7 560 815) to be fitted to the stock centre section.
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