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Registered
Join Date: Jul 2001
Location: Cave Creek, AZ USA
Posts: 44,755
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My vote is the head temp. sensor, if it's original. There is an upgrade for this, which has two wires. You're gonna really enjoy this job, though it's not expensive. I think the old sensors go bad and cause the engine to run rich under load, which may cause your miss.
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2022 BMW 530i
2021 MB GLA250
2020 BMW R1250GS
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