Pro Tech Auto LLC shop interior in Manchester, NH

Pro Tech Auto · Manchester, NH

Honest auto repair for Manchester drivers.

Diagnostics, maintenance, brakes, suspension, transmission, and engine work — plus module coding, programming, and European service for Audi, VW, BMW, and Mercedes. One Manchester, NH shop, the full menu.

Schedule Repair →Call (603) 270-5456

Local · Manchester NH
·
Domestic + European
·
Module coding + programming
·
Mon–Fri 9–5 · Sat 10–4
·
Honest pricing

What we work on

Auto repair, end to end.

Five service categories cover the full menu — preventative work, real diagnostics, exhaust repair, module coding and programming, and the involved mechanical work most shops won't touch.

Vehicle on a lift inside the Pro Tech Auto shop bay in Manchester, NH, mid-repair.

Brakes, suspension, engine, transmission, European

Repairs

Brakes. Engine. Transmission. Suspension. European.

Explore Repairs →

Mechanic performing an oil and fluid service on a vehicle at Pro Tech Auto in Manchester, NH.

Oil, fluids, intervals, inspections

Maintenance

Oil, fluids, intervals, inspections.

Explore Maintenance →

Diagnostic scanner connected to a vehicle at Pro Tech Auto during a drivability inspection.

Codes, electrical, drivability

Diagnosis

Decoded, not guessed.

Explore Diagnosis →

Mufflers, leaks, cats, O2 sensors

Exhaust

Mufflers, hangers, leaks, sensors, cats.

Explore Exhaust →

Black Mercedes-Benz sedan with its hood raised inside the Pro Tech Auto bay in Manchester, NH.

Coding, modules, component protection

Programming

Modules coded to your VIN. Component protection cleared.

Explore Programming →

New service

Coding & programming

Coded here. Not at the dealership.

Replacement control modules — headlights, clusters, comfort modules — sourced OEM, installed, and coded to your VIN. Including Audi and VW component protection, the module work Manchester drivers used to drive to a dealer for.

Audi · Volkswagen · BMW · Mercedes-Benz

Explore Programming →Call (603) 270-5456

Volkswagen Tiguan on a lift with its hood open at Pro Tech Auto in Manchester, NH.

Volkswagen · In the bay

A vehicle on the lift in the Pro Tech Auto service bay during a repair.

In the bay · Manchester NH

Engine bay detail showing OEM parts ready for installation.

Why Pro Tech

Diagnose it right. Fix it once.

Four things that separate a shop you trust from one you don't — and that we work to earn on every vehicle that comes through the bay.

01 —
Thorough diagnostics
We test before we recommend. The goal is to identify the real cause so the repair actually solves the problem — not parts swapped on a guess.
02 —
Preventative mindset
Routine maintenance is the cheapest repair you'll ever pay for. Oil, fluids, brakes, timing — kept on schedule to protect your engine and save money long term.
03 —
Involved mechanical work
Engine internals, timing chains, carbon cleaning, water pumps, valve covers — we take on jobs other shops turn away, and we explain what we're doing every step.
04 —
Clear customer communication
You hear what's wrong, what it'll take to fix, and what it'll cost — before we touch the vehicle. No surprises on the invoice.

Process

What to expect.

Four steps, no surprises. From the first call to the keys back in your hand — here's exactly how a Pro Tech service goes.

Step 01
Schedule
Call or email. We'll find a time that works.
Step 02
Diagnose
Honest assessment, written estimate, no pressure.
Step 03
Repair with approval
Work starts only after you sign off on scope and price.
Step 04
Back on the road
Quality parts, clean work, the issue actually resolved.

Recent Work

Real jobs, real outcomes.

A small sample of recent work. Outcome-focused — no fluff.

See all our work

What customers say

Trusted by Manchester drivers.

Every quote below is a verified Google review of Pro Tech Auto — pulled straight from our Business Profile, not a marketing reel.

5.0

Google rating

26Verified Google reviews

Victoria Groulx
6 months ago
“Took my 2003 BMW 330xi in for a ccv system replacement to fix some codes and these guys did awesome work. Super honest guys and very fair price. He found a few leaking pipes and vacuum lines and had the parts same day and replaced it and only charged for parts. Walked me through everything he was doing and let me come into the shop and showed me what he was actively working on. if you are looking for an honest, friendly shop in the manchester area these guys are the way to go.”
2003 BMW 330xi · CCV system
Maximillian Spettmann
Local Guide · 8 months ago
“I just want to say, these guys are the coolest, and they're the fairest mechanics around. What I love about these guys is that they are absolutely fair on pricing, easy to talk to, and are fast with their service. They told me recently they're expanding to a new location and I understand why, it's because they're professional, fair, and awesome guys. If I could give them ten stars I would. If you're in the Manchester area, these are you guys. You won't be disappointed.”
General service
Оксана Турок
a year ago
“After five (!) failed attempts at different auto shops, I had almost given up on fixing the low beams on my Jeep. But then — like magic. Just two visits: accurate diagnostics, the right part ordered, quick repair — and now the lights work perfectly! The service was top-notch, and the price was a pleasant surprise. Highly recommend if you’re looking for real expertise, not just another “let’s change the bulb” approach. Also, they’re open on Saturdays — a huge plus for those of us who work all week.”
Jeep · Headlight diagnostics
Nazar M
Local Guide · a year ago
“I couldn't be more impressed with the amazing service at Pro Tech Auto LLC! They did incredible work on both my BMW 4 Series and my wife’s Mazda CX-9. The team was professional, thorough, and went above and beyond to ensure both vehicles were in top condition. For my BMW, they handled everything with care and precision, from diagnostics to repairs, and it drives like new again. My wife’s Mazda CX-9 also got the royal treatment, and we couldn’t be happier with the results. Special thanks to the entire team for their honesty, expertise, and attention to detail. Pro Tech Auto is now our go-to place for any car repairs or maintenance! Highly recommended!”
BMW 4 Series · Mazda CX-9
Nate Polyukhovich
Local Guide · a year ago
“I had an outstanding experience with Pro Tech Auto LLC! My BMW was facing some serious issues, and the brothers at Pro Tech Auto diagnosed and fixed the problem swiftly and expertly. They treated me like family throughout the entire process, taking the time to explain the repairs and ensuring everything was perfect before returning my car. Their level of professionalism and care is unmatched. I highly recommend Pro Tech Auto for anyone in need of top-notch auto repair services. Thank you for making me feel like a part of the family”
BMW · Diagnostic & repair
Joseph Tedesco
a year ago
“I recently took my Mazda to Pro Tech Auto LLC for a pre-college service check, and I couldn’t be more pleased with their work. The team was professional, thorough, and went above and beyond to ensure my car was in perfect condition for my journey. They addressed all my concerns, provided detailed explanations, and even gave me some helpful maintenance tips for the road. I left feeling confident and ready for college, thanks to their excellent service. Highly recommend Pro Tech Auto LLC for anyone looking for reliable and top-notch auto care.”
Mazda · Pre-trip service check
Vasiliy Polyukhovich
a year ago
“These guys are incredible. They are young but very knowledgeable. They solved my electrical issues (BMW x7) for half the price of my local BMW dealer. Highly recommend this garage.”
BMW X7 · Electrical diagnostics
Zach Marcotte
a year ago
“I was struggling to fix my Camry at home and couldn’t resolve the issue. I took it to Pro Tech Auto, and they had it fixed within the hour. Quick, efficient, and professional service—highly recommend them to anyone who’s looking to get their vehicle fixed!”
Toyota Camry · Same-hour repair
Bobby LeBrun
a year ago
“Took my Hyundai VT here to get some sensors replaced and they were so easy to work with. Quick, price was fair, overall very professional”
Hyundai · Sensor replacement
Səfərəli Zeynalov
a month ago
“They fixed my check engine light on my Bmw 530i”
BMW 530i · Check engine
Nicholas Plaza
a year ago
“Pro Tech Auto LLC exceeded all my expectations! Despite being young adults, their knowledge and expertise are impressive. They performed a fantastic job on my car, far surpassing the quality of work I've received from other mechanics. Not only that, but their prices were much more affordable. I highly recommend Pro Tech Auto LLC to anyone in need of reliable auto services. These guys truly know their stuff!”
Repair quality vs. other shops