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Sam's E46 M3 Vanos repair

Workshop Journal: Sam’s E46 M3 Vanos Repair (Performance BMW Magazine)

Sam's E46 M3 Vanos repair

Earlier in the year we had the privilege of carrying out a Vanos overhaul on Sam Ratcliffe’s E46 M3, as featured as our home page image. Sam’s car was displaying fault codes consistent with a solenoid coil pack failure, but having had that repaired previously himself, he was confident that it was an internal Vanos fault. He checked under the rocker cover and found that it looked like the oil pump driving tabs on the front of the exhaust cam had snapped off – as he was understandably not keen to drive the car any further, a mobile repair was arranged.

Sure enough, on disassembly, it became clear that the renowned oil pump disc failure had occurred. A repair was carried out, featuring the following parts:

Once complete, Sam reported a far stronger feeling engine, with no more fault codes or engine check lights. Another happy customer.

Sam's E46 M3 Vanos repair

Quotes:

‘I exchanged a few conversations with Hack Engineering, who offer Vanos repair kits and labour. This being a job I didn’t want to tackle on my own I booked in with Ben for a basic Hack Engineering Vanos overhaul.

…’It just shows that the Hack Vanos overhaul is worth doing even if you think you don’t have a problem.’

 

See more Workshop Journals by clicking here.

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