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N14 Cooper S Update

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Loonie4cars
Posts: 48
Joined: Mon Feb 02, 2026 8:49 pm

I recently got an automatic Mini Cooper to finish off its MOT for Parkwood Motors. The car has recently had new brakes, pads, and a refurbished subframe and rear shocks, as well as an exhaust flexy. During the service, I diagnosed and repaired a non-start issue that had plagued their other garage for a few years. The car had been parked up. It seemed like a chain failure had occurred when the vvt motor locked up, forcing the inlet valve to open. I spent an hour finding and fixing the chain to get it functioning again, but it was fine because the car only had 40,000 miles on the clock. The owner had installed a new turbo in the boot, so I will replace that. Hopefully, I will be able to get it in by the end of the day and begin stripping it tomorrow. In many cases, it's just better to send the car to someone who knows what they're doing instead of getting charged for all the hassle of trying to figure it out. I am taking on more cars like this for general repairs and work mot's, etc. Having said that, I brought my kid in today, and she increases productivity.
Loonie4cars
Posts: 48
Joined: Mon Feb 02, 2026 8:49 pm

The head is removed and the pistons are completely blasted apart. I discovered a couple more problems with it; the upper lips of the number 3 and 4 pistons are grooved, so a new set is required, just in case, and there's also the usual oil-burning rubbish. It appears that the head was swapped out for a Citroën Peugeot head a few years ago.
briantip
Posts: 32
Joined: Mon Feb 02, 2026 8:37 pm

Am I the only one who wants to witness the wreckage?
Loonie4cars
Posts: 48
Joined: Mon Feb 02, 2026 8:49 pm

Here you can see a damaged piston sandwiched between the lower and higher compression rings; we determined that four new FAI pistons would work better. To tell you the truth, these are unparalleled. We put them through a lot of stress; we have a couple of automobiles that use them and are constantly under pressure. problem with the specifics
Loonie4cars
Posts: 48
Joined: Mon Feb 02, 2026 8:49 pm

Tomorrow is going to be a learning day for my daughter as she is going to refurbish a cylinder head that I am going to strip. She really isn't hard to train; in fact, I only have to demonstrate her once before she copies my every move. And she never gets mad when I double-check her work.
briantip
Posts: 32
Joined: Mon Feb 02, 2026 8:37 pm

You should expect quality on par with the genuine BMW from the FAI kit ones.

I think it's awesome that your daughter is learning from you while you work side by side.
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