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      05-12-2025, 12:18 PM   #6
1messedupZ4M
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Drives: 2008 E90 M3, 2007 Z4M, 2003 M3
Join Date: Apr 2020
Location: Annapolis, MD

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Symptoms sound like a bad engine ground strap.

Use a jumper cable from the engine lifting point under the intake plenum to the ground spot around the coolant bottle. Pull the clamp back and forth on each surface to expose some fresh metal for the leads to bite into.
Appreciate 1
nah dude280.50