Professional Motor Mechanic

Why was the Tesla’s horn failing to sound?

|Date: October 28, 2024

Why was the Tesla’s horn failing to sound?

In this article, we highlight two recent fixes which Alldata provided to customers in distress. Why was t ...

In this article, we highlight two recent fixes which Alldata provided to customers in distress. Why was the horn on a 2022 Tesla Model Y failing to sound? The team was recently presented with an issue ...

October 28, 2024
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What was wrong with the BMW F25’s cooling fan?

|Date: October 24, 2024

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 ...

October 24, 2024
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Why was the BMW M70 engine facing issues?

|Date: July 01, 2024

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 ...

July 01, 2024
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How can using an oscilloscope help diagnostics?

|Date: February 02, 2024

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 ...

February 02, 2024
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How to replace the transmission on a BMW i3 REX

|Date: January 05, 2024

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 ...

January 05, 2024
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Why did the X5 40E start intermittently?

|Date: November 28, 2023

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 ...

November 28, 2023
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Why the BMW E61 M-Sport is losing power

|Date: October 24, 2023

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 ...

October 24, 2023
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Opus explains engine fault in Minis

|Date: September 22, 2023

Opus explains engine fault in Minis

Opus IVS, a provider of diagnostics solutions backed by OE master technicians, explains a problem documen ...

Opus IVS, a provider of diagnostics solutions backed by OE master technicians, explains a problem documented for the N12 engine used on 2006 to 2013 second generation Minis, in which the EML warning l ...

September 22, 2023
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Why did the BMW F15 X5’s BDC fail?

|Date: September 21, 2023

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 ...

September 21, 2023
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PT-CAN 2 failure diagnostic

|Date: August 18, 2023

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 ...

August 18, 2023
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Carwood discusses common rail injector failures

|Date: July 26, 2023

Carwood discusses common rail injector failures

With multiple injections during a combustion cycle, sub-micron tolerances and operating pressures of over ...

With multiple injections during a combustion cycle, sub-micron tolerances and operating pressures of over 2,000 bar, today’s common rail injectors are having to work harder, making them more susceptib ...

July 26, 2023
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DPF warning light diagnosis

|Date: July 18, 2023

DPF warning light diagnosis

IVS 360 from Opus IVS is backed by over 100 OE-certified master technicians delivering live diagnostic re ...

IVS 360 from Opus IVS is backed by over 100 OE-certified master technicians delivering live diagnostic repair guidance. Here, we follow the team as they diagnose a vehicle displaying a DPF warning lig ...

July 18, 2023
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BMW headlamp failure diagnostic

|Date: July 11, 2023

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 ...

July 11, 2023
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How to fix a Ford Focus with intermittent starting

|Date: February 14, 2023

How to fix a Ford Focus with intermittent starting

PMM’s diagnostics expert Andy Horwat gets to the bottom of why a customer’s Ford was intermittently start ...

PMM’s diagnostics expert Andy Horwat gets to the bottom of why a customer’s Ford was intermittently starting. A lady phoned me up recently about her 1.6l petrol Ford Focus on a 57 plate. She explained ...

February 14, 2023
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ACtronics discusses Ford Transit fault

|Date: January 17, 2023

ACtronics discusses Ford Transit fault

ACtronics returns this month to discuss another van-related issue the team has come across. This time, it ...

ACtronics returns this month to discuss another van-related issue the team has come across. This time, it’s the instrument panel on a 2017 Ford Transit Custom. At first, it seemed like a simple case: ...

January 17, 2023
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