Germany

BMW

Long hands-on experience with BMW N and B family engines and their known faults before they escalate.

BMW — **BEC**Precise diagnosis. Clear work.

Marque-specific experience

BMW faults are predictable if you know them: timing chains, valve cover leaks, electric water pumps and Valvetronic issues. We handle these daily and find the cause quickly instead of swapping parts.

We use BMW-specific diagnostic and coding tools to read and code every module after repair, and service ZF gearboxes including fluid, mechatronics and adaptation resets.

Specialist work

01

N20, N55 and B58 leak repair

Valve cover and filter housing leaks are the classic BMW case. We fix the source with genuine gaskets and check the PCV, which is often the real cause.

02

ZF 8HP transmission service

The ZF box is not really 'sealed for life'. A timely fluid and filter change extends its life, especially in Riyadh heat and city driving.

03

Cooling system and electric pump

The electric water pump and thermostat have a defined service life; sudden failure can overheat and damage the head. We check both at every service.

04

Coding and feature activation

We code modules after replacement, restore factory settings and fix CAN network faults that trigger several error messages at once.

Work we carry out

Timing chain replacement to factory spec
Valve cover and oil cooler leak repair
ZF gearbox service, fluid and mechatronics
Electric water pump and thermostat repair
Module coding after fitting
Valvetronic faults and weak performance

What BMW owners complain about most

Cold-start rattle from the timing chain
Burnt oil smell from a valve cover leak
Overheating from the electric water pump
Shift jolt in ZF gearboxes

Service schedule

Item	Interval	Note
Engine oil and filter	Every 10,000 km	LL-01 or model equivalent
ZF gearbox fluid	Every 60–80,000 km	With filter and pan
Spark plugs	Every 40,000 km	Sooner on turbo engines
Cooling system check	Yearly	Pump, thermostat and hoses
Brake fluid	Every 2 years	Safety-critical

Models we service

Saloon & coupé

7 Series
5 Series
3 Series
8 Series
4 Series
2 Series

SUV

X7
X6
X5
X4
X3
X1

M and performance

M5
M4
M3
X5 M
X6 M
M240i

Dedicated tools and expertise

ISTA / Rheingold

BMW module diagnosis and testing

E-SYS

Module coding and software updates

N20, N55, B48 and B58 engines
ZF 8HP gearboxes
VANOS and timing chain systems

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Name Marque Model and year Required service Describe the fault or request