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BMW Air mass meter (AKA: air flow meter or MAF) issues and cheapalternatives
My E39 530d (2001) started to behave sluggish tendancies
symptons: very slow response to acceleration power reasonable at 1/2 throttle, dire at full throttle significant loss of power above 3750 rpm better performance when engine cold. I disconnected the MAF - the symptoms improved. Diagnosis: the MAF had died. I sought an OEM replacement for my Bosch 0928 400 468 airflow meter. Result: part number has changed to 0928 400 527 and cheapest was £175 + VAT Looked at far Eastern alternatives on eBay - got scared off by mixed experiences (see my previous post) I decided to buy a Pierburg alternative which is just the insert (no housing) Once I had sourced a security Torx bit, the replacement was a doddle (2 screws) and required very basic DIY skills. Result - it is now A1 again and the cost was £61 delivered with VAT. I'm sure they make the alternatives for other models too - my recommendation is they are well worth a try and they are reassuringly made in Germany. I hope this saves someone else time and money. David |
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