Bmw e21 muffler is glowing red

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Joined: Tue Jul 11, 2023 8:24 am
My E21(s): 1981 bmw 318i e21

Bmw e21 muffler is glowing red

Post by ssk »

hi guys ,

i have bmw e21 318i , the problem started when i drove the car and i stop on traffic light the rpm go high ! , so i send it to the garage and they fix it but now i have another issue the muffler of the car glowing red! if we keep the rpm high the muffler not glowing red , any suggestion please.

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Joined: Tue Sep 14, 2004 12:23 pm
My E21(s): '81 323i Baur
Location: The Netherlands

Re: Bmw e21 muffler is glowing red

Post by Jeroen »

usually this is caused by a dangerously maladjusted ignition timing. Better check that asap (both static and dynamic) and do an exhaust gas analysis as well.
Regards/groeten, Jeroen
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