MT Auto Parts Blog | Expert Tips for BMW enthusiasts on BMW Parts, Accessories, Engines and More

  Photo by Mark König on Unsplash The N52 is widely considered one of BMW's most dependable modern petrol engines. It's a naturally aspirated straight-six that BMW built from 2004 to around 2015, fitted across the 1, 3, 5, 6 and 7 Series, plus the Z4, X1, X3, X5 and X6. It replaced the older M54 and introduced Valvetronic (variable valve lift) alongside double VANOS. That gave a genuine step up in efficiency without sacrificing the smooth, revvy character BMW's straight-sixes are known for. That reputation for reliability is largely deserved. But "reliable" doesn't mean problem-free, and owners running an N52 past 80,000–100,000 miles will typically run into a handful of well-known issues. Here's what actually goes wrong, what it costs to put right in the UK, and how to keep one running well past 150,000 miles. Which BMWs Have the N52? For the full model-by-model breakdown, see our guide: Which BMW Has the N52 Engine? In short, the N52 appeared in 2.0-lit...

Photo by Brandon Vázquez on Unsplash A five-figure mileage on the clock used to be shorthand for "this car is on its way out." Ask anyone running an independent BMW garage today, and they'll tell you that's outdated thinking, particularly for a 3 Series with the right engine and a paper trail to back it up. What actually happens past 100,000 miles isn't decline so much as a change in character: certain parts start asking for attention on a predictable schedule, and the owners who stay ahead of that schedule tend to get a car that feels barely different at 150,000 miles than it did at 90,000. How the Car Changes, Mile by Mile 80,000–100,000 Miles: The First Warning Signs This is where the earliest wear items typically surface. The electric water pump fitted across F30 and G20 models starts entering its failure window here, sometimes with a gradual drop in heater performance, sometimes with no warning at all. Front suspension bushes, especially on cars fitted with M...

Image: BMW G01, G02 Automatic Gearbox, 1094 miles, for sale at mtautoparts.com, price: £947.62 If you’re searching for a BMW automatic gearbox for sale , you’ll quickly find yourself standing at a crossroads: dealership or breaker? One offers new or refurbished OEM parts with a premium price tag. The other, BMW breakers, might surprise you with the same gearbox at a fraction of the cost. But what’s really the difference? And more importantly, where’s the value? Let’s break it down, gearbox by gearbox. This guide focuses specifically on how breaker and dealer pricing compare. If you want a general breakdown of what a BMW gearbox costs to replace across models and gearbox types, our full BMW gearbox cost guide covers that in more detail. Why BMW Gearboxes Are So Expensive from Dealers There’s no getting around it: walking into a dealership and asking for a replacement BMW automatic gearbox will usually end in a high-figure quote. You’re not just buying the part – you’re paying for: Bran...

Image: BMW 1 Series Starter Motor with just 10K miles for sale at MT Auto Parts  A BMW starter motor rarely fails without warning. The problem is that the early signs are easy to miss or blame on the battery, which shares a few of the same symptoms. Replacing the battery when the starter is the real issue is an expensive mistake. This guide covers what to watch for, how to tell the two apart, and what a replacement actually costs. What the Starter Motor Does When you press the start button, the starter motor draws a large current burst from the battery and spins the engine fast enough for it to fire and run on its own. Once the engine is running, the starter disengages automatically. The whole process takes a second or two. On newer BMWs with auto start-stop, the starter gets far more use than on older cars; every time the engine restarts at a junction, the starter does its job. This extra work accelerates wear, and it is one reason starter motor failures have become more common o...