• What was wrong with the BMW F25’s cooling fan?

    PMM’s hot-wired fixer Ben Johnson has his dreams of exacting a full and comprehensive repair scuppered on ...

    PMM’s hot-wired fixer Ben Johnson has his dreams of exacting a full and comprehensive repair scuppered once again by a member of the Finnish BMW-owning public. After another week of repairing yet agai ...

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  • What was wrong with the BMW N20's engine?

    PMM ’s troubled troubleshooter Ben Johnson stumbles through numerous fault codes and takes a look at fixi ...

    PMM ’s troubled troubleshooter Ben Johnson stumbles through numerous fault codes and takes a look at fixing a BMW N20 that staggered its way into his workshop. It’s a rarity these days, a genuine anom ...

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  • What was wrong with the 2001 BMW M5?

    PMM ’s disgruntled man in Finland gets under the bonnet of a BMW M5 which had been around the houses and ...

    PMM ’s disgruntled man in Finland gets under the bonnet of a BMW M5 which had been around the houses and under the arches. Ah, the infuriating encounters we car mechanics endure. A situation so dishea ...

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  • What does BMW Groups' Retail Network offer?

    Things are moving fast in the world of mobility and it can sometimes feel like you're being left behind b ...

    Things are moving fast in the world of mobility and it can sometimes feel like you're being left behind by the speed things changing. Here, the BMW Group argues that a career within its Retail Network ...

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  • Why was the BMW M70 engine facing issues?

    Ben Johnson investigates another “classic” BMW with engine running woes. Ah, the delightful symphony of a ...

    Ben Johnson investigates another “classic” BMW with engine running woes. Ah, the delightful symphony of an M70 engine’s running faults! It seems the universe has bestowed upon me a generous dose of th ...

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  • Why was the BMW 635 not starting?

    PMM’s diagnostic dynamo Ben Johnson breaks out the Pearl Jam tapes and indulges in a gleaming BMW 635 in ...

    PMM’s diagnostic dynamo Ben Johnson breaks out the Pearl Jam tapes and indulges in a gleaming BMW 635 in its twilight years. As I dramatically skidded into the Schmiedmann car park last month, battlin ...

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  • What was prompting the BMW E90's fault codes?

    BMW diagnostics specialist Ben Johnson uncovers the layers of intrigue and mystery set upon a sorry E90 b ...

    BMW diagnostics specialist Ben Johnson uncovers the layers of intrigue and mystery set upon a sorry E90 by the previous garage to discover the root cause of the valvetronic’s woes. The tingling sensat ...

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  • How can using an oscilloscope help diagnostics?

    Ben Johnson investigates how using an oscilloscope along with verified data can help you improve your dia ...

    Ben Johnson investigates how using an oscilloscope along with verified data can help you improve your diagnostic efficiency. This month, I want to emphasise the significance of building your personal ...

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  • How to replace the transmission on a BMW i3 REX

    Ben Johnson tackles a tricky transmission replacement on a BMW i3 REX. I had always assumed the transmiss ...

    Ben Johnson tackles a tricky transmission replacement on a BMW i3 REX. I had always assumed the transmission on the BMW i3 was bomb proof. That was, however, until an i3 94 REX was towed into our fron ...

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  • Why did the X5 40E start intermittently?

    Ben Johnson is driven to his wits’ end by yet another BMW X5 40E in the workshop. This time, the car refu ...

    Ben Johnson is driven to his wits’ end by yet another BMW X5 40E in the workshop. This time, the car refused to start, until it did start… meaning it wasn’t simply the fuse at fault. These days, the p ...

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  • Why the BMW E61 M-Sport is losing power

    Ben Johnson investigates an (extremely) high mileage vehicle which left its driver stranded after losing ...

    Ben Johnson investigates an (extremely) high mileage vehicle which left its driver stranded after losing power and discovers that faults, like good things, come in threes… It has been quite a while si ...

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  • Why did the BMW F15 X5’s BDC fail?

    PMM ’s expert diagnostics troubleshooter Ben Johnson wonders whether a simple battery replacement could h ...

    PMM ’s expert diagnostics troubleshooter Ben Johnson wonders whether a simple battery replacement could have saved a customer a lot of money and hassle. A rather sorry looking X5 was dragged into the ...

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  • PT-CAN 2 failure diagnostic

    PMM ’s diagnostics expert, Ben Johnson investigates a PT-CAN 2 failure on a vehicle perhaps a little too ...

    PMM ’s diagnostics expert, Ben Johnson investigates a PT-CAN 2 failure on a vehicle perhaps a little too close to home… The morning was crisp and chilly, but nothing could dampen my spirits as I prepa ...

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  • BMW headlamp failure diagnostic

    Diagnostics expert Ben Johnson investigates a recent headlamp failure on a BMW E60. It would be fair to s ...

    Diagnostics expert Ben Johnson investigates a recent headlamp failure on a BMW E60. It would be fair to state that, at Schmiedmann, we tend to get our share of BMW Exx generation vehicles of which som ...

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  • BMW EWS Tampering

    Autologic, fault to fix - BMW E6X, E8X & MINI R56/55/57/59/60; Non starter, but will crank. This faul ...

    Autologic, fault to fix - BMW E6X, E8X & MINI R56/55/57/59/60; Non starter, but will crank. This fault will often trigger a EWS anti-tampering fault code message (as well as various other codes) a ...

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