Date: Tue, 07 May 2002 09:28:17 +0100
From: Paul Halliday <>
Subject: Turbo Dump Valve

Hi, After some research and a lot of reading, I am thinking of replacing the OEM plastic recirculation valve on my 1989 900 APC Turbo (8V B201 engine) with an atmospheric dump valve. The reading that I did came up with a fairly even split between those who consider this an absolutely necessary replacement and those who say leave it well alone. What are your thoughts? I'd like to hear from drivers who have made this replacement, especially from those who have fitted the Trent Saab atmospheric dump valve which I am most likely to buy. Do I need to make any other replacements as well, say fuel pressure regulator or waste-gate actuator? TIA, Paul 1985 900i 16V 1989 900 Turbo

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