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G&G Autos Performance Upgrade Specialists

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G&G Autos Performance Upgrade Specialists

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Performance Upgrade Specialists
Servicing, Repairs & Diagnostics
Walnut Blasting & Much More!

09/11/2026

BMW 340i with us for lowering springs 🌀

♠️Eibach UK Official Instagram. pro kit springs
♠️BMW M Performance bump stops
♠️BMW front shock dust sleeves

Now sitting like a boss with wheel spacers 🤌🏼
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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06/11/2026

BMW M4 with us for our rear differential dual mount conversion 💪🏼

🔸Ventrax Motorsport dual differential mount
🔸BMW TU rear differential bushes
🔸BMW TU rear subframe bolts
🔸BMW rear bump stops

Oem bush completely failed causing harsh knocking under load & when selecting drive & reverse gears. Now fully sorted with the best combination on the market 🤝

If your F8x BMW is suffering with the same issues contact us below to see how we can meet your requirements with just a single bush upgrade or dual mount conversion 🤌🏼
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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05/11/2026

2026 Dravit Grey BMW G80 M3 with us for an exhaust upgrade 💨

The owner came from a big noisy V8 Mercedes C63 to the G80 M3 which ticks all the boxes & more minus the exhaust tone which is way less to be desired for 😔

Now fitted with our own GG equal length Z pipe, giving it the sound these G80’s deserve! OPF coding carried out also via Defined Coding 🛜

If you’re looking to upgrade your G8x exhaust system then contact us below, we stock G80/81 M3 - G82/83 M4 - G87 M2 exhaust systems 🤌🏼
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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04/11/2026

BMW 440i with us for a differential refresh ⚙️

♠️Super low mile stock differential
♠️Powerflex Suspension Bushes rear differential bush
♠️Powerflex Suspension Bushes front differential bush inserts
♠️Powerflex Suspension Bushes subframe bush inserts
♠️BMW front prop shaft coupling
♠️Metal handbrake cable bracket

With over 100k miles with a leaking rear differential from all seals, torn rear differential bush, perished prop shaft coupling & handbrake cable bracket failure this 440i was in need of some TLC, now all taken care of with the above works 🔧
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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03/11/2026

Nice low mile F80 M3 with us for major engine servicing & braking upgrades ⛔️

🔘Millers Oils Ltd 5w40 CFS competition nanodrive engine oil
🔘Niterra UK Ltd spark plugs
🔘Genuine BMW filters
🔘HEL Performance | Official brake lines
🔘FERODO RACING - Official DS2500 pads
🔘MOTUL UK RBF 660 brake fluid

BMW AOS portal & idrive service history updated via the BMW key reader 🔑 🛜
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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02/11/2026

M140i with us for post Nurburgring Oil service & diagnostics

MOTUL UK 5w40 8100 Gen2 X-clean engine oil

Engine ventilation breather heating element unplugged easy fix.

Then the common B58 irregular idle fault code, DME updated with the latest BMW firmware & valvetronic stop positions relearned via BMW ISTA software 💻
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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30/10/2026

BMW M2 OG N55 with us for our valve stem seal replacement service 🔧

With near on 105k miles this M2 was suffering from excessive oil consumption & smoking from the exhaust when left idling.

24 valve stem seals replaced with all the correct tooling start to finish, all associated gaskets, seals, bolts etc replaced where required.

This is a service we have mastered, carrying it out many times on the S55 N55 B58 platforms just this year alone.

If your S55 N55 B58 has valve stem seal failure, then contact us below 👇
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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29/10/2026

High mile BMW F82 M4 with us for a refresh 🔧

▫️Valve cover & gaskets
▫️Exhaust cam shaft alignment & ledge bolts
▫️Rear differential pinion & output seals
▫️Rear differential front mount
▫️Rear differential rear TU bush
▫️Rear subframe TU bolts
▫️Rear differential oil
▫️Genuine BMW parts used throughout

Coming up to 120k miles, this M4 has been very well maintained, with the exposed engine proving that regular oil servicing will keep these S55 engines in tip top condition 🤌🏼

Rear differential seal & bush overhaul due to an output shaft seal leaking, the owner decided to play it safe & replace all 3 seals & bushing/mounts. Otherwise a very well maintained & all round tidy car for the mileage, impressive.

All works carried out to BMW ISTA workshop manual specifications for a fully guaranteed repair start to finish 🤝
——————————————————————
💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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28/10/2026

Regular 540i we keep meticulously maintained for its owner, this time with us for rear differential pinion seal replacement.

Genuine BMW pinion seal, locking nut & differential oil.

All replacement procedures carried out as per BMW repair specifications. 👨🏻‍🔧
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💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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27/10/2026

BMW F82 M4 Competition DME unlock 🔓

Being the a later OPF model build the DME required a bench unlock to access OBD port DME flashes 📈

Carried out using AutoTuner with the correct bench lead for the MEDV.17 Bosch DME 🔌

Whilst with us the owner also opted for the BMW TU rear subframe bolts 🔩

This will be back with us soon for a Stage 3 build 🚀
——————————————————————
💻G&G Autos Performance Upgrade Specialists
📩 [email protected] -Email
📲 07542 363379 -WhatsApp
🔧 BMW approved service centre- VAT registered
📍Southend-On-Sea, Rochford, Essex, SS4 1LD
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Address

8 Featherby Way, Rochford
Southend-on-Sea
SS41LD

Opening Hours

Monday	8:30am - 5pm
Tuesday	8:30am - 5pm
Wednesday	8:30am - 5pm
Thursday	8:30am - 5pm
Friday	8:30am - 5pm

Telephone

+447542363379

Website

facebook.com

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