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Old 01-16-2013, 12:43 PM
edjack edjack is offline
Officially Welcomed to the 'Fest
Location: San Jose, CA
 
Join Date: May 2007
Posts: 8,784
Mein Auto: '97 540i 6 speed
How many miles on the pre-cat O2 sensors? If original, you're overdue for replacements.

You could also take it to a shop for a smoke test.
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Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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